some dns resolver code

2020-02-11 09:02:46 +00:00 · 2020-02-11 09:02:46 +00:00 · c6e3b6204b
commit c6e3b6204b
parent 89371559bb
18 changed files with 2402 additions and 2205 deletions
--- a/mio/Makefile.in
+++ b/mio/Makefile.in
@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.15 from Makefile.am.
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
 # @configure_input@
-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -139,7 +139,7 @@ am__recursive_targets = \
  $(RECURSIVE_CLEAN_TARGETS) \
  $(am__extra_recursive_targets)
 AM_RECURSIVE_TARGETS = $(am__recursive_targets:-recursive=) TAGS CTAGS \
-	cscope distdir dist dist-all distcheck
+	cscope distdir distdir-am dist dist-all distcheck
 am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)
 # Read a list of newline-separated strings from the standard input,
 # and print each of them once, without duplicates.  Input order is
@ -384,8 +384,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	    echo ' $(SHELL) ./config.status'; \
 	    $(SHELL) ./config.status;; \
 	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles);; \
 	esac;
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
@ -512,7 +512,10 @@ distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
 	-rm -f cscope.out cscope.in.out cscope.po.out cscope.files
-distdir: $(DISTFILES)
+distdir: $(BUILT_SOURCES)
 	$(MAKE) $(AM_MAKEFLAGS) distdir-am
 distdir-am: $(DISTFILES)
 	$(am__remove_distdir)
 	test -d "$(distdir)" || mkdir "$(distdir)"
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
--- a/mio/ac/ar-lib
+++ b/mio/ac/ar-lib
@ -4,7 +4,7 @@
 me=ar-lib
 scriptversion=2012-03-01.08; # UTC
-# Copyright (C) 2010-2014 Free Software Foundation, Inc.
+# Copyright (C) 2010-2018 Free Software Foundation, Inc.
 # Written by Peter Rosin <peda@lysator.liu.se>.
 #
 # This program is free software; you can redistribute it and/or modify
@ -18,7 +18,7 @@ scriptversion=2012-03-01.08; # UTC
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
--- a/mio/ac/compile
+++ b/mio/ac/compile
@ -1,9 +1,9 @@
 #! /bin/sh
 # Wrapper for compilers which do not understand '-c -o'.
-scriptversion=2012-10-14.11; # UTC
+scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@ -17,7 +17,7 @@ scriptversion=2012-10-14.11; # UTC
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@ -255,7 +255,8 @@ EOF
    echo "compile $scriptversion"
    exit $?
    ;;
-  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
  icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
    func_cl_wrapper "$@"      # Doesn't return...
    ;;
 esac
@ -339,9 +340,9 @@ exit $ret
 # Local Variables:
 # mode: shell-script
 # sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/mio/ac/config.guess
+++ b/mio/ac/config.guess
--- a/mio/ac/config.sub
+++ b/mio/ac/config.sub
--- a/mio/ac/depcomp
+++ b/mio/ac/depcomp
@ -1,9 +1,9 @@
 #! /bin/sh
 # depcomp - compile a program generating dependencies as side-effects
-scriptversion=2013-05-30.07; # UTC
+scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@ -16,7 +16,7 @@ scriptversion=2013-05-30.07; # UTC
 # GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@ -783,9 +783,9 @@ exit 0
 # Local Variables:
 # mode: shell-script
 # sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/mio/ac/install-sh
+++ b/mio/ac/install-sh
@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
-scriptversion=2013-12-25.23; # UTC
+scriptversion=2018-03-11.20; # UTC
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@ -271,15 +271,18 @@ do
    fi
    dst=$dst_arg
-    # If destination is a directory, append the input filename; won't work
+    # If destination is a directory, append the input filename.
    # if double slashes aren't ignored.
    if test -d "$dst"; then
      if test "$is_target_a_directory" = never; then
        echo "$0: $dst_arg: Is a directory" >&2
        exit 1
      fi
      dstdir=$dst
-      dst=$dstdir/`basename "$src"`
+      dstbase=`basename "$src"`
      case $dst in
 	*/) dst=$dst$dstbase;;
 	*)  dst=$dst/$dstbase;;
      esac
      dstdir_status=0
    else
      dstdir=`dirname "$dst"`
@ -288,6 +291,11 @@ do
    fi
  fi
  case $dstdir in
    */) dstdirslash=$dstdir;;
    *)  dstdirslash=$dstdir/;;
  esac
  obsolete_mkdir_used=false
  if test $dstdir_status != 0; then
@ -324,34 +332,43 @@ do
            # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
            ;;
          *)
            # Note that $RANDOM variable is not portable (e.g. dash);  Use it
            # here however when possible just to lower collision chance.
            tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
            trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
            trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
            # Because "mkdir -p" follows existing symlinks and we likely work
            # directly in world-writeable /tmp, make sure that the '$tmpdir'
            # directory is successfully created first before we actually test
            # 'mkdir -p' feature.
            if (umask $mkdir_umask &&
-                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
+                $mkdirprog $mkdir_mode "$tmpdir" &&
                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
            then
              if test -z "$dir_arg" || {
                   # Check for POSIX incompatibilities with -m.
                   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
                   # other-writable bit of parent directory when it shouldn't.
                   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
-                   ls_ld_tmpdir=`ls -ld "$tmpdir"`
+                   test_tmpdir="$tmpdir/a"
                   ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
                   case $ls_ld_tmpdir in
                     d????-?r-*) different_mode=700;;
                     d????-?--*) different_mode=755;;
                     *) false;;
                   esac &&
-                   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
+                   $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
-                     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
+                     ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
                     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
                   }
                 }
              then posix_mkdir=:
              fi
-              rmdir "$tmpdir/d" "$tmpdir"
+              rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
            else
              # Remove any dirs left behind by ancient mkdir implementations.
-              rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
+              rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
            fi
            trap '' 0;;
        esac;;
@ -427,8 +444,8 @@ do
  else
    # Make a couple of temp file names in the proper directory.
-    dsttmp=$dstdir/_inst.$$_
+    dsttmp=${dstdirslash}_inst.$$_
-    rmtmp=$dstdir/_rm.$$_
+    rmtmp=${dstdirslash}_rm.$$_
    # Trap to clean up those temp files at exit.
    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
@ -493,9 +510,9 @@ do
 done
 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/mio/ac/ltmain.sh
+++ b/mio/ac/ltmain.sh
@ -2124,7 +2124,7 @@ fi
 # a configuration failure hint, and exit.
 func_fatal_configuration ()
 {
-    func__fatal_error ${1+"$@"} \
+    func_fatal_error ${1+"$@"} \
      "See the $PACKAGE documentation for more information." \
      "Fatal configuration error."
 }
@ -7272,10 +7272,12 @@ func_mode_link ()
      # -tp=*                Portland pgcc target processor selection
      # --sysroot=*          for sysroot support
      # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
      # -specs=*             GCC specs files
      # -stdlib=*            select c++ std lib with clang
      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
-      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*)
+      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
      -specs=*)
        func_quote_for_eval "$arg"
 	arg=$func_quote_for_eval_result
        func_append compile_command " $arg"
--- a/mio/ac/missing
+++ b/mio/ac/missing
@ -1,9 +1,9 @@
 #! /bin/sh
 # Common wrapper for a few potentially missing GNU programs.
-scriptversion=2013-10-28.13; # UTC
+scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 # Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
 # This program is free software; you can redistribute it and/or modify
@ -17,7 +17,7 @@ scriptversion=2013-10-28.13; # UTC
 # GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@ -101,9 +101,9 @@ else
  exit $st
 fi
-perl_URL=http://www.perl.org/
+perl_URL=https://www.perl.org/
-flex_URL=http://flex.sourceforge.net/
+flex_URL=https://github.com/westes/flex
-gnu_software_URL=http://www.gnu.org/software
+gnu_software_URL=https://www.gnu.org/software
 program_details ()
 {
@ -207,9 +207,9 @@ give_advice "$1" | sed -e '1s/^/WARNING: /' \
 exit $st
 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/mio/aclocal.m4
+++ b/mio/aclocal.m4
@ -1,6 +1,6 @@
-# generated automatically by aclocal 1.15 -*- Autoconf -*-
+# generated automatically by aclocal 1.16.1 -*- Autoconf -*-
-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -20,7 +20,7 @@ You have another version of autoconf.  It may work, but is not guaranteed to.
 If you have problems, you may need to regenerate the build system entirely.
 To do so, use the procedure documented by the package, typically 'autoreconf'.])])
-# Copyright (C) 2002-2014 Free Software Foundation, Inc.
+# Copyright (C) 2002-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -32,10 +32,10 @@ To do so, use the procedure documented by the package, typically 'autoreconf'.])
 # generated from the m4 files accompanying Automake X.Y.
 # (This private macro should not be called outside this file.)
 AC_DEFUN([AM_AUTOMAKE_VERSION],
-[am__api_version='1.15'
+[am__api_version='1.16'
 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.15], [],
+m4_if([$1], [1.16.1], [],
      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
@ -51,12 +51,12 @@ m4_define([_AM_AUTOCONF_VERSION], [])
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.15])dnl
+[AM_AUTOMAKE_VERSION([1.16.1])dnl
 m4_ifndef([AC_AUTOCONF_VERSION],
  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
-# Copyright (C) 2011-2014 Free Software Foundation, Inc.
+# Copyright (C) 2011-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -118,7 +118,7 @@ AC_SUBST([AR])dnl
 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -170,7 +170,7 @@ am_aux_dir=`cd "$ac_aux_dir" && pwd`
 # AM_CONDITIONAL                                            -*- Autoconf -*-
-# Copyright (C) 1997-2014 Free Software Foundation, Inc.
+# Copyright (C) 1997-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -201,7 +201,7 @@ AC_CONFIG_COMMANDS_PRE(
 Usually this means the macro was only invoked conditionally.]])
 fi])])
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -392,13 +392,12 @@ _AM_SUBST_NOTMAKE([am__nodep])dnl
 # Generate code to set up dependency tracking.              -*- Autoconf -*-
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 # _AM_OUTPUT_DEPENDENCY_COMMANDS
 # ------------------------------
 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
@ -406,49 +405,41 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
  # Older Autoconf quotes --file arguments for eval, but not when files
  # are listed without --file.  Let's play safe and only enable the eval
  # if we detect the quoting.
-  case $CONFIG_FILES in
+  # TODO: see whether this extra hack can be removed once we start
-  *\'*) eval set x "$CONFIG_FILES" ;;
+  # requiring Autoconf 2.70 or later.
-  *)   set x $CONFIG_FILES ;;
+  AS_CASE([$CONFIG_FILES],
-  esac
+          [*\'*], [eval set x "$CONFIG_FILES"],
          [*], [set x $CONFIG_FILES])
  shift
-  for mf
+  # Used to flag and report bootstrapping failures.
  am_rc=0
  for am_mf
  do
    # Strip MF so we end up with the name of the file.
-    mf=`echo "$mf" | sed -e 's/:.*$//'`
+    am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
-    # Check whether this is an Automake generated Makefile or not.
+    # Check whether this is an Automake generated Makefile which includes
-    # We used to match only the files named 'Makefile.in', but
+    # dependency-tracking related rules and includes.
-    # some people rename them; so instead we look at the file content.
+    # Grep'ing the whole file directly is not great: AIX grep has a line
    # Grep'ing the first line is not enough: some people post-process
    # each Makefile.in and add a new line on top of each file to say so.
    # Grep'ing the whole file is not good either: AIX grep has a line
    # limit of 2048, but all sed's we know have understand at least 4000.
-    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
-      dirpart=`AS_DIRNAME("$mf")`
+      || continue
-    else
+    am_dirpart=`AS_DIRNAME(["$am_mf"])`
-      continue
+    am_filepart=`AS_BASENAME(["$am_mf"])`
    AM_RUN_LOG([cd "$am_dirpart" \
      && sed -e '/# am--include-marker/d' "$am_filepart" \
        | $MAKE -f - am--depfiles]) || am_rc=$?
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    for automatic dependency tracking.  Try re-running configure with the
    '--disable-dependency-tracking' option to at least be able to build
    the package (albeit without support for automatic dependency tracking).])
  fi
-    # Extract the definition of DEPDIR, am__include, and am__quote
+  AS_UNSET([am_dirpart])
-    # from the Makefile without running 'make'.
+  AS_UNSET([am_filepart])
-    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+  AS_UNSET([am_mf])
-    test -z "$DEPDIR" && continue
+  AS_UNSET([am_rc])
-    am__include=`sed -n 's/^am__include = //p' < "$mf"`
+  rm -f conftest-deps.mk
    test -z "$am__include" && continue
    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
    # Find all dependency output files, they are included files with
    # $(DEPDIR) in their names.  We invoke sed twice because it is the
    # simplest approach to changing $(DEPDIR) to its actual value in the
    # expansion.
    for file in `sed -n "
      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
 	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
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    done
  done
 }
 ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
@ -457,18 +448,17 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
 # -----------------------------
 # This macro should only be invoked once -- use via AC_REQUIRE.
 #
-# This code is only required when automatic dependency tracking
+# This code is only required when automatic dependency tracking is enabled.
-# is enabled.  FIXME.  This creates each '.P' file that we will
+# This creates each '.Po' and '.Plo' makefile fragment that we'll need in
-# need in order to bootstrap the dependency handling code.
+# order to bootstrap the dependency handling code.
 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 [AC_CONFIG_COMMANDS([depfiles],
     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
-     [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
+     [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
 ])
 # Do all the work for Automake.                             -*- Autoconf -*-
-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -555,8 +545,8 @@ AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
 # For better backward compatibility.  To be removed once Automake 1.9.x
 # dies out for good.  For more background, see:
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
 AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
 # We need awk for the "check" target (and possibly the TAP driver).  The
 # system "awk" is bad on some platforms.
@ -623,7 +613,7 @@ END
 Aborting the configuration process, to ensure you take notice of the issue.
 You can download and install GNU coreutils to get an 'rm' implementation
-that behaves properly: <http://www.gnu.org/software/coreutils/>.
+that behaves properly: <https://www.gnu.org/software/coreutils/>.
 If you want to complete the configuration process using your problematic
 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
@ -665,7 +655,7 @@ for _am_header in $config_headers :; do
 done
 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -686,7 +676,7 @@ if test x"${install_sh+set}" != xset; then
 fi
 AC_SUBST([install_sh])])
-# Copyright (C) 2003-2014 Free Software Foundation, Inc.
+# Copyright (C) 2003-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -707,7 +697,7 @@ AC_SUBST([am__leading_dot])])
 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -715,49 +705,42 @@ AC_SUBST([am__leading_dot])])
 # AM_MAKE_INCLUDE()
 # -----------------
-# Check to see how make treats includes.
+# Check whether make has an 'include' directive that can support all
 # the idioms we need for our automatic dependency tracking code.
 AC_DEFUN([AM_MAKE_INCLUDE],
-[am_make=${MAKE-make}
+[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
-cat > confinc << 'END'
+cat > confinc.mk << 'END'
 am__doit:
-	@echo this is the am__doit target
+	@echo this is the am__doit target >confinc.out
 .PHONY: am__doit
 END
 # If we don't find an include directive, just comment out the code.
 AC_MSG_CHECKING([for style of include used by $am_make])
 am__include="#"
 am__quote=
-_am_result=none
+# BSD make does it like this.
-# First try GNU make style include.
+echo '.include "confinc.mk" # ignored' > confmf.BSD
-echo "include confinc" > confmf
+# Other make implementations (GNU, Solaris 10, AIX) do it like this.
-# Ignore all kinds of additional output from 'make'.
+echo 'include confinc.mk # ignored' > confmf.GNU
-case `$am_make -s -f confmf 2> /dev/null` in #(
+_am_result=no
-*the\ am__doit\ target*)
+for s in GNU BSD; do
-  am__include=include
+  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
-  am__quote=
+  AS_CASE([$?:`cat confinc.out 2>/dev/null`],
-  _am_result=GNU
+      ['0:this is the am__doit target'],
-  ;;
+      [AS_CASE([$s],
-esac
+          [BSD], [am__include='.include' am__quote='"'],
-# Now try BSD make style include.
+          [am__include='include' am__quote=''])])
-if test "$am__include" = "#"; then
+  if test "$am__include" != "#"; then
-   echo '.include "confinc"' > confmf
+    _am_result="yes ($s style)"
-   case `$am_make -s -f confmf 2> /dev/null` in #(
+    break
-   *the\ am__doit\ target*)
+  fi
-     am__include=.include
+done
-     am__quote="\""
+rm -f confinc.* confmf.*
-     _am_result=BSD
+AC_MSG_RESULT([${_am_result}])
-     ;;
+AC_SUBST([am__include])])
-   esac
+AC_SUBST([am__quote])])
 fi
 AC_SUBST([am__include])
 AC_SUBST([am__quote])
 AC_MSG_RESULT([$_am_result])
 rm -f confinc confmf
 ])
 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
-# Copyright (C) 1997-2014 Free Software Foundation, Inc.
+# Copyright (C) 1997-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -796,7 +779,7 @@ fi
 # Helper functions for option handling.                     -*- Autoconf -*-
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -825,7 +808,7 @@ AC_DEFUN([_AM_SET_OPTIONS],
 AC_DEFUN([_AM_IF_OPTION],
 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -872,7 +855,7 @@ AC_LANG_POP([C])])
 # For backward compatibility.
 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -891,7 +874,7 @@ AC_DEFUN([AM_RUN_LOG],
 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -972,7 +955,7 @@ AC_CONFIG_COMMANDS_PRE(
 rm -f conftest.file
 ])
-# Copyright (C) 2009-2014 Free Software Foundation, Inc.
+# Copyright (C) 2009-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -1032,7 +1015,7 @@ AC_SUBST([AM_BACKSLASH])dnl
 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
 ])
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -1060,7 +1043,7 @@ fi
 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 AC_SUBST([INSTALL_STRIP_PROGRAM])])
-# Copyright (C) 2006-2014 Free Software Foundation, Inc.
+# Copyright (C) 2006-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -1079,7 +1062,7 @@ AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 # Check how to create a tarball.                            -*- Autoconf -*-
-# Copyright (C) 2004-2014 Free Software Foundation, Inc.
+# Copyright (C) 2004-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
--- a/mio/bin/Makefile.in
+++ b/mio/bin/Makefile.in
@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.15 from Makefile.am.
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
 # @configure_input@
-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -88,7 +88,7 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
-bin_PROGRAMS = execd$(EXEEXT) t01$(EXEEXT)
+bin_PROGRAMS = mio-execd$(EXEEXT) mio-t01$(EXEEXT)
 subdir = bin
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/ax_check_sign.m4 \
@ -106,22 +106,26 @@ CONFIG_CLEAN_FILES =
 CONFIG_CLEAN_VPATH_FILES =
 am__installdirs = "$(DESTDIR)$(bindir)"
 PROGRAMS = $(bin_PROGRAMS)
-am_execd_OBJECTS = execd-execd.$(OBJEXT)
+am_mio_execd_OBJECTS = mio_execd-execd.$(OBJEXT)
-execd_OBJECTS = $(am_execd_OBJECTS)
+mio_execd_OBJECTS = $(am_mio_execd_OBJECTS)
 am__DEPENDENCIES_1 =
 am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
 mio_execd_DEPENDENCIES = $(am__DEPENDENCIES_2) $(am__DEPENDENCIES_1) \
 	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
 AM_V_lt = $(am__v_lt_@AM_V@)
 am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
 am__v_lt_0 = --silent
 am__v_lt_1 = 
-execd_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+mio_execd_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
-	$(execd_LDFLAGS) $(LDFLAGS) -o $@
+	$(mio_execd_LDFLAGS) $(LDFLAGS) -o $@
-am_t01_OBJECTS = t01-t01.$(OBJEXT)
+am_mio_t01_OBJECTS = mio_t01-t01.$(OBJEXT)
-t01_OBJECTS = $(am_t01_OBJECTS)
+mio_t01_OBJECTS = $(am_mio_t01_OBJECTS)
-t01_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+mio_t01_DEPENDENCIES = $(am__DEPENDENCIES_2) $(am__DEPENDENCIES_1) \
 	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
 mio_t01_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
-	$(t01_LDFLAGS) $(LDFLAGS) -o $@
+	$(mio_t01_LDFLAGS) $(LDFLAGS) -o $@
 AM_V_P = $(am__v_P_@AM_V@)
 am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
 am__v_P_0 = false
@ -136,7 +140,9 @@ am__v_at_0 = @
 am__v_at_1 = 
 DEFAULT_INCLUDES = 
 depcomp = $(SHELL) $(top_srcdir)/ac/depcomp
-am__depfiles_maybe = depfiles
+am__maybe_remake_depfiles = depfiles
 am__depfiles_remade = ./$(DEPDIR)/mio_execd-execd.Po \
 	./$(DEPDIR)/mio_t01-t01.Po
 am__mv = mv -f
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
@ -156,8 +162,8 @@ AM_V_CCLD = $(am__v_CCLD_@AM_V@)
 am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
 am__v_CCLD_0 = @echo "  CCLD    " $@;
 am__v_CCLD_1 = 
-SOURCES = $(execd_SOURCES) $(t01_SOURCES)
+SOURCES = $(mio_execd_SOURCES) $(mio_t01_SOURCES)
-DIST_SOURCES = $(execd_SOURCES) $(t01_SOURCES)
+DIST_SOURCES = $(mio_execd_SOURCES) $(mio_t01_SOURCES)
 am__can_run_installinfo = \
  case $$AM_UPDATE_INFO_DIR in \
    n|no|NO) false;; \
@ -323,7 +329,6 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
 runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@ -341,19 +346,21 @@ CPPFLAGS_ALL_COMMON = \
 	-I$(includedir)	
 LDFLAGS_ALL_COMMON = -L$(abs_builddir) -L$(abs_builddir)/../lib -L$(libdir)
-CPPFLAGS_BIN_COMMON = $(CPPFLAGS_ALL_COMMON)
+
-LDFLAGS_BIN_COMMON = $(LDFLAGS_ALL_COMMON) -version-info 1:0:0 -no-undefined
+##################################################
-LIBADD_BIN_COMMON = $(LIBM) 
+# MAIN LIBRARY 
-execd_SOURCES = execd.c
+##################################################
-execd_CPPFLAGS = $(CPPFLAGS_ALL_COMMON)
+CPPFLAGS_LIB_COMMON = $(CPPFLAGS_ALL_COMMON)
-execd_LDFLAGS = $(LDFLAGS_ALL_COMMON)
+LDFLAGS_LIB_COMMON = $(LDFLAGS_ALL_COMMON) -version-info 1:0:0 -no-undefined
-execd_LDADD = $(LIBADD_BIN_COMMON) -lmio
+LIBADD_LIB_COMMON = $(LIBM)
-execd_DEPENDENCIES = ../lib/libmio.la
+mio_execd_SOURCES = execd.c
-t01_SOURCES = t01.c
+mio_execd_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
-t01_CPPFLAGS = $(CPPFLAGS_ALL_COMMON)
+mio_execd_LDFLAGS = $(LDFLAGS_LIB_COMMON)
-t01_LDFLAGS = $(LDFLAGS_ALL_COMMON)
+mio_execd_LDADD = $(LIBADD_LIB_COMMON) -lmio $(SSL_LIBS) $(SOCKET_LIBS) $(SENDFILE_LIBS)
-t01_LDADD = $(LIBADD_BIN_COMMON) -lmio
+mio_t01_SOURCES = t01.c
-t01_DEPENDENCIES = ../lib/libmio.la
+mio_t01_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
 mio_t01_LDFLAGS = $(LDFLAGS_LIB_COMMON)
 mio_t01_LDADD = $(LIBADD_LIB_COMMON) -lmio $(SSL_LIBS) $(SOCKET_LIBS) $(SENDFILE_LIBS)
 all: all-am
 .SUFFIXES:
@ -375,8 +382,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	  *config.status*) \
 	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
 	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
 	esac;
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
@ -437,13 +444,13 @@ clean-binPROGRAMS:
 	echo " rm -f" $$list; \
 	rm -f $$list
-execd$(EXEEXT): $(execd_OBJECTS) $(execd_DEPENDENCIES) $(EXTRA_execd_DEPENDENCIES) 
+mio-execd$(EXEEXT): $(mio_execd_OBJECTS) $(mio_execd_DEPENDENCIES) $(EXTRA_mio_execd_DEPENDENCIES) 
-	@rm -f execd$(EXEEXT)
+	@rm -f mio-execd$(EXEEXT)
-	$(AM_V_CCLD)$(execd_LINK) $(execd_OBJECTS) $(execd_LDADD) $(LIBS)
+	$(AM_V_CCLD)$(mio_execd_LINK) $(mio_execd_OBJECTS) $(mio_execd_LDADD) $(LIBS)
-t01$(EXEEXT): $(t01_OBJECTS) $(t01_DEPENDENCIES) $(EXTRA_t01_DEPENDENCIES) 
+mio-t01$(EXEEXT): $(mio_t01_OBJECTS) $(mio_t01_DEPENDENCIES) $(EXTRA_mio_t01_DEPENDENCIES) 
-	@rm -f t01$(EXEEXT)
+	@rm -f mio-t01$(EXEEXT)
-	$(AM_V_CCLD)$(t01_LINK) $(t01_OBJECTS) $(t01_LDADD) $(LIBS)
+	$(AM_V_CCLD)$(mio_t01_LINK) $(mio_t01_OBJECTS) $(mio_t01_LDADD) $(LIBS)
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)
@ -451,8 +458,14 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/execd-execd.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mio_execd-execd.Po@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/t01-t01.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mio_t01-t01.Po@am__quote@ # am--include-marker
 $(am__depfiles_remade):
 	@$(MKDIR_P) $(@D)
 	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
 am--depfiles: $(am__depfiles_remade)
 .c.o:
@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
@ -478,33 +491,33 @@ distclean-compile:
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
-execd-execd.o: execd.c
+mio_execd-execd.o: execd.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(execd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT execd-execd.o -MD -MP -MF $(DEPDIR)/execd-execd.Tpo -c -o execd-execd.o `test -f 'execd.c' || echo '$(srcdir)/'`execd.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mio_execd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT mio_execd-execd.o -MD -MP -MF $(DEPDIR)/mio_execd-execd.Tpo -c -o mio_execd-execd.o `test -f 'execd.c' || echo '$(srcdir)/'`execd.c
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/execd-execd.Tpo $(DEPDIR)/execd-execd.Po
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/mio_execd-execd.Tpo $(DEPDIR)/mio_execd-execd.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='execd.c' object='execd-execd.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='execd.c' object='mio_execd-execd.o' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(execd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o execd-execd.o `test -f 'execd.c' || echo '$(srcdir)/'`execd.c
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mio_execd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o mio_execd-execd.o `test -f 'execd.c' || echo '$(srcdir)/'`execd.c
-execd-execd.obj: execd.c
+mio_execd-execd.obj: execd.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(execd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT execd-execd.obj -MD -MP -MF $(DEPDIR)/execd-execd.Tpo -c -o execd-execd.obj `if test -f 'execd.c'; then $(CYGPATH_W) 'execd.c'; else $(CYGPATH_W) '$(srcdir)/execd.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mio_execd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT mio_execd-execd.obj -MD -MP -MF $(DEPDIR)/mio_execd-execd.Tpo -c -o mio_execd-execd.obj `if test -f 'execd.c'; then $(CYGPATH_W) 'execd.c'; else $(CYGPATH_W) '$(srcdir)/execd.c'; fi`
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/execd-execd.Tpo $(DEPDIR)/execd-execd.Po
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/mio_execd-execd.Tpo $(DEPDIR)/mio_execd-execd.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='execd.c' object='execd-execd.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='execd.c' object='mio_execd-execd.obj' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(execd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o execd-execd.obj `if test -f 'execd.c'; then $(CYGPATH_W) 'execd.c'; else $(CYGPATH_W) '$(srcdir)/execd.c'; fi`
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mio_execd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o mio_execd-execd.obj `if test -f 'execd.c'; then $(CYGPATH_W) 'execd.c'; else $(CYGPATH_W) '$(srcdir)/execd.c'; fi`
-t01-t01.o: t01.c
+mio_t01-t01.o: t01.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(t01_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT t01-t01.o -MD -MP -MF $(DEPDIR)/t01-t01.Tpo -c -o t01-t01.o `test -f 't01.c' || echo '$(srcdir)/'`t01.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mio_t01_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT mio_t01-t01.o -MD -MP -MF $(DEPDIR)/mio_t01-t01.Tpo -c -o mio_t01-t01.o `test -f 't01.c' || echo '$(srcdir)/'`t01.c
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/t01-t01.Tpo $(DEPDIR)/t01-t01.Po
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/mio_t01-t01.Tpo $(DEPDIR)/mio_t01-t01.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='t01.c' object='t01-t01.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='t01.c' object='mio_t01-t01.o' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(t01_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o t01-t01.o `test -f 't01.c' || echo '$(srcdir)/'`t01.c
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mio_t01_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o mio_t01-t01.o `test -f 't01.c' || echo '$(srcdir)/'`t01.c
-t01-t01.obj: t01.c
+mio_t01-t01.obj: t01.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(t01_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT t01-t01.obj -MD -MP -MF $(DEPDIR)/t01-t01.Tpo -c -o t01-t01.obj `if test -f 't01.c'; then $(CYGPATH_W) 't01.c'; else $(CYGPATH_W) '$(srcdir)/t01.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mio_t01_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT mio_t01-t01.obj -MD -MP -MF $(DEPDIR)/mio_t01-t01.Tpo -c -o mio_t01-t01.obj `if test -f 't01.c'; then $(CYGPATH_W) 't01.c'; else $(CYGPATH_W) '$(srcdir)/t01.c'; fi`
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/t01-t01.Tpo $(DEPDIR)/t01-t01.Po
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/mio_t01-t01.Tpo $(DEPDIR)/mio_t01-t01.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='t01.c' object='t01-t01.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='t01.c' object='mio_t01-t01.obj' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(t01_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o t01-t01.obj `if test -f 't01.c'; then $(CYGPATH_W) 't01.c'; else $(CYGPATH_W) '$(srcdir)/t01.c'; fi`
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mio_t01_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o mio_t01-t01.obj `if test -f 't01.c'; then $(CYGPATH_W) 't01.c'; else $(CYGPATH_W) '$(srcdir)/t01.c'; fi`
 mostlyclean-libtool:
 	-rm -f *.lo
@ -564,7 +577,10 @@ cscopelist-am: $(am__tagged_files)
 distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
-distdir: $(DISTFILES)
+distdir: $(BUILT_SOURCES)
 	$(MAKE) $(AM_MAKEFLAGS) distdir-am
 distdir-am: $(DISTFILES)
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	list='$(DISTFILES)'; \
@ -636,7 +652,8 @@ clean: clean-am
 clean-am: clean-binPROGRAMS clean-generic clean-libtool mostlyclean-am
 distclean: distclean-am
-	-rm -rf ./$(DEPDIR)
+		-rm -f ./$(DEPDIR)/mio_execd-execd.Po
 	-rm -f ./$(DEPDIR)/mio_t01-t01.Po
 	-rm -f Makefile
 distclean-am: clean-am distclean-compile distclean-generic \
 	distclean-tags
@ -682,7 +699,8 @@ install-ps-am:
 installcheck-am:
 maintainer-clean: maintainer-clean-am
-	-rm -rf ./$(DEPDIR)
+		-rm -f ./$(DEPDIR)/mio_execd-execd.Po
 	-rm -f ./$(DEPDIR)/mio_t01-t01.Po
 	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic
@ -703,7 +721,7 @@ uninstall-am: uninstall-binPROGRAMS
 .MAKE: install-am install-strip
-.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean \
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
 	clean-binPROGRAMS clean-generic clean-libtool cscopelist-am \
 	ctags ctags-am distclean distclean-compile distclean-generic \
 	distclean-libtool distclean-tags distdir dvi dvi-am html \
--- a/mio/bin/t01.c
+++ b/mio/bin/t01.c
@ -374,6 +374,7 @@ static int setup_arp_tester (mio_t* mio)
 	mio_dev_sck_make_t sck_make;
 	mio_dev_sck_t* sck;
 	memset (&sck_make, 0, MIO_SIZEOF(sck_make));
 	sck_make.type = MIO_DEV_SCK_ARP;
 	//sck_make.type = MIO_DEV_SCK_ARP_DGRAM;
@ -388,6 +389,7 @@ static int setup_arp_tester (mio_t* mio)
 		return -1;
 	}
 	//mio_sckaddr_initforeth (&ethdst, if_nametoindex("enp0s25.3"), (mio_ethaddr_t*)"\xFF\xFF\xFF\xFF\xFF\xFF");
 	//mio_sckaddr_initforeth (&ethdst, if_nametoindex("enp0s25.3"), (mio_ethaddr_t*)"\xAA\xBB\xFF\xCC\xDD\xFF");
@ -600,6 +602,19 @@ static int setup_ping4_tester (mio_t* mio)
 	return 0;
 }
 /* ========================================================================= */
 static void on_dnc_resolve(mio_svc_dnc_t* dnc, mio_dns_msg_t* reqmsg, mio_errnum_t status, const void* data, mio_oow_t dlen)
 {
 	if (status == MIO_ENOERR)
 	{
 		printf ("XXXXXXXXXXXXXXXXx RECEIVED XXXXXXXXXXXXXXXXXXXXXXXXX\n");
 	}
 	else
 	{
 		printf ("XXXXXXXXXXXXXXXXx NO REPLY XXXXXXXXXXXXXXXXXXXXXXXXX\n");
 	}
 }
 /* ========================================================================= */
@ -733,6 +748,7 @@ int main (int argc, char* argv[])
 		goto oops;
 	}
 	/* -------------------------------------------------------------- */
 	memset (&tcp_make, 0, MIO_SIZEOF(tcp_make));
 	tcp_make.type = MIO_DEV_SCK_TCP4;
@ -750,6 +766,7 @@ int main (int argc, char* argv[])
 	ts = (tcp_server_t*)(tcp[2] + 1);
 	ts->tally = 0;
 	memset (&tcp_bind, 0, MIO_SIZEOF(tcp_bind));
 	mio_sckaddr_initforip4 (&tcp_bind.localaddr, 1235, MIO_NULL);
 	tcp_bind.options = MIO_DEV_SCK_BIND_REUSEADDR /*| MIO_DEV_SCK_BIND_REUSEPORT |*/;
@ -773,6 +790,7 @@ int main (int argc, char* argv[])
 		goto oops;
 	}
 	//mio_dev_sck_sendfile (tcp[2], fd, offset, count);
 	setup_arp_tester(mio);
@ -811,8 +829,8 @@ for (i = 0; i < 5; i++)
 #endif
 {
-	mio_dnsc_t* dnsc;
+	mio_svc_dnc_t* dnc;
-	dnsc = mio_dnsc_start (mio/*, "8.8.8.8:53,1.1.1.1:53"*/); /* option - send to all, send one by one */
+	dnc = mio_svc_dnc_start (mio/*, "8.8.8.8:53,1.1.1.1:53"*/); /* option - send to all, send one by one */
 	{
 		mio_dns_bqr_t qrs[] = 
 		{
@ -876,14 +894,19 @@ for (i = 0; i < 5; i++)
 			MIO_DNS_RCODE_BADCOOKIE /* rcode */
 		}; 
-		mio_dnsc_sendreq (dnsc, &qhdr, qrs, MIO_COUNTOF(qrs), &qedns);
+		//mio_svc_dnc_sendreq (dnc, &qhdr, qrs, MIO_COUNTOF(qrs), &qedns, MIO_NULL);
-		mio_dnsc_sendmsg (dnsc, &rhdr, qrs, MIO_COUNTOF(qrs), rrs, MIO_COUNTOF(rrs), &qedns);
+		mio_svc_dnc_sendmsg (dnc, &rhdr, qrs, MIO_COUNTOF(qrs), rrs, MIO_COUNTOF(rrs), &qedns, MIO_NULL);
 	}
 if (mio_svc_dnc_resolve(dnc, "code.miflux.com", MIO_DNS_QTYPE_A, on_dnc_resolve) <= -1)
 {
 	printf ("resolve attempt failure ---> code.miflux.com\n");
 }
 	mio_loop (mio);
-	/* TODO: let mio close it ... dnsc is svc. sck is dev. */
+	/* TODO: let mio close it ... dnc is svc. sck is dev. */
-	mio_dnsc_stop (dnsc);
+	mio_svc_dnc_stop (dnc);
 }
 	g_mio = MIO_NULL;
@ -911,7 +934,7 @@ int main (int argc, char* argv[])
 	mio_dev_sck_make_t tcp_make;
 	mio_dev_sck_connect_t tcp_conn;
 	tcp_server_t* ts;
-	mio_dnsc_t dnsc = MIO_NULL;
+	mio_svc_dnc_t dnc = MIO_NULL;
 	mio = mio_open(&mmgr, 0, MIO_NULL, 512, MIO_NULL);
 	if (!mio)
--- a/mio/configure
+++ b/mio/configure
@ -713,7 +713,6 @@ am__nodep
 AMDEPBACKSLASH
 AMDEP_FALSE
 AMDEP_TRUE
 am__quote
 am__include
 DEPDIR
 OBJEXT
@ -789,7 +788,8 @@ PACKAGE_VERSION
 PACKAGE_TARNAME
 PACKAGE_NAME
 PATH_SEPARATOR
-SHELL'
+SHELL
 am__quote'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
@ -2728,7 +2728,7 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-am__api_version='1.15'
+am__api_version='1.16'
 # Find a good install program.  We prefer a C program (faster),
 # so one script is as good as another.  But avoid the broken or
@ -3244,8 +3244,8 @@ MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
 # For better backward compatibility.  To be removed once Automake 1.9.x
 # dies out for good.  For more background, see:
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
 mkdir_p='$(MKDIR_P)'
 # We need awk for the "check" target (and possibly the TAP driver).  The
@ -3296,7 +3296,7 @@ END
 Aborting the configuration process, to ensure you take notice of the issue.
 You can download and install GNU coreutils to get an 'rm' implementation
-that behaves properly: <http://www.gnu.org/software/coreutils/>.
+that behaves properly: <https://www.gnu.org/software/coreutils/>.
 If you want to complete the configuration process using your problematic
 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
@ -3311,45 +3311,45 @@ DEPDIR="${am__leading_dot}deps"
 ac_config_commands="$ac_config_commands depfiles"
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} supports the include directive" >&5
-am_make=${MAKE-make}
+$as_echo_n "checking whether ${MAKE-make} supports the include directive... " >&6; }
-cat > confinc << 'END'
+cat > confinc.mk << 'END'
 am__doit:
-	@echo this is the am__doit target
+	@echo this is the am__doit target >confinc.out
 .PHONY: am__doit
 END
 # If we don't find an include directive, just comment out the code.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
 $as_echo_n "checking for style of include used by $am_make... " >&6; }
 am__include="#"
 am__quote=
-_am_result=none
+# BSD make does it like this.
-# First try GNU make style include.
+echo '.include "confinc.mk" # ignored' > confmf.BSD
-echo "include confinc" > confmf
+# Other make implementations (GNU, Solaris 10, AIX) do it like this.
-# Ignore all kinds of additional output from 'make'.
+echo 'include confinc.mk # ignored' > confmf.GNU
-case `$am_make -s -f confmf 2> /dev/null` in #(
+_am_result=no
-*the\ am__doit\ target*)
+for s in GNU BSD; do
-  am__include=include
+  { echo "$as_me:$LINENO: ${MAKE-make} -f confmf.$s && cat confinc.out" >&5
-  am__quote=
+   (${MAKE-make} -f confmf.$s && cat confinc.out) >&5 2>&5
-  _am_result=GNU
+   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
  case $?:`cat confinc.out 2>/dev/null` in #(
  '0:this is the am__doit target') :
    case $s in #(
  BSD) :
    am__include='.include' am__quote='"' ;; #(
  *) :
    am__include='include' am__quote='' ;;
 esac ;; #(
  *) :
     ;;
 esac
-# Now try BSD make style include.
+  if test "$am__include" != "#"; then
-if test "$am__include" = "#"; then
+    _am_result="yes ($s style)"
-   echo '.include "confinc"' > confmf
+    break
-   case `$am_make -s -f confmf 2> /dev/null` in #(
+  fi
-   *the\ am__doit\ target*)
+done
-     am__include=.include
+rm -f confinc.* confmf.*
-     am__quote="\""
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${_am_result}" >&5
-     _am_result=BSD
+$as_echo "${_am_result}" >&6; }
     ;;
   esac
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
 $as_echo "$_am_result" >&6; }
 rm -f confinc confmf
 # Check whether --enable-dependency-tracking was given.
 if test "${enable_dependency_tracking+set}" = set; then :
@ -22483,7 +22483,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 #
 # INIT-COMMANDS
 #
-AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
+AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"
 # The HP-UX ksh and POSIX shell print the target directory to stdout
@ -23479,29 +23479,35 @@ $as_echo "$as_me: executing $ac_file commands" >&6;}
  # Older Autoconf quotes --file arguments for eval, but not when files
  # are listed without --file.  Let's play safe and only enable the eval
  # if we detect the quoting.
-  case $CONFIG_FILES in
+  # TODO: see whether this extra hack can be removed once we start
-  *\'*) eval set x "$CONFIG_FILES" ;;
+  # requiring Autoconf 2.70 or later.
-  *)   set x $CONFIG_FILES ;;
+  case $CONFIG_FILES in #(
-  esac
+  *\'*) :
    eval set x "$CONFIG_FILES" ;; #(
  *) :
    set x $CONFIG_FILES ;; #(
  *) :
     ;;
 esac
  shift
-  for mf
+  # Used to flag and report bootstrapping failures.
  am_rc=0
  for am_mf
  do
    # Strip MF so we end up with the name of the file.
-    mf=`echo "$mf" | sed -e 's/:.*$//'`
+    am_mf=`$as_echo "$am_mf" | sed -e 's/:.*$//'`
-    # Check whether this is an Automake generated Makefile or not.
+    # Check whether this is an Automake generated Makefile which includes
-    # We used to match only the files named 'Makefile.in', but
+    # dependency-tracking related rules and includes.
-    # some people rename them; so instead we look at the file content.
+    # Grep'ing the whole file directly is not great: AIX grep has a line
    # Grep'ing the first line is not enough: some people post-process
    # each Makefile.in and add a new line on top of each file to say so.
    # Grep'ing the whole file is not good either: AIX grep has a line
    # limit of 2048, but all sed's we know have understand at least 4000.
-    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
-      dirpart=`$as_dirname -- "$mf" ||
+      || continue
-$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+    am_dirpart=`$as_dirname -- "$am_mf" ||
-	 X"$mf" : 'X\(//\)[^/]' \| \
+$as_expr X"$am_mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$mf" : 'X\(//\)$' \| \
+	 X"$am_mf" : 'X\(//\)[^/]' \| \
-	 X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
+	 X"$am_mf" : 'X\(//\)$' \| \
-$as_echo X"$mf" |
+	 X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
 $as_echo X"$am_mf" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@ -23519,53 +23525,48 @@ $as_echo X"$mf" |
 	    q
 	  }
 	  s/.*/./; q'`
-    else
+    am_filepart=`$as_basename -- "$am_mf" ||
-      continue
+$as_expr X/"$am_mf" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$am_mf" : 'X\(//\)$' \| \
 	 X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
 $as_echo X/"$am_mf" |
    sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
 	  }
 	  /^X\/\(\/\/\)$/{
 	    s//\1/
 	    q
 	  }
 	  /^X\/\(\/\).*/{
 	    s//\1/
 	    q
 	  }
 	  s/.*/./; q'`
    { echo "$as_me:$LINENO: cd "$am_dirpart" \
      && sed -e '/# am--include-marker/d' "$am_filepart" \
        | $MAKE -f - am--depfiles" >&5
   (cd "$am_dirpart" \
      && sed -e '/# am--include-marker/d' "$am_filepart" \
        | $MAKE -f - am--depfiles) >&5 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } || am_rc=$?
  done
  if test $am_rc -ne 0; then
    { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "Something went wrong bootstrapping makefile fragments
    for automatic dependency tracking.  Try re-running configure with the
    '--disable-dependency-tracking' option to at least be able to build
    the package (albeit without support for automatic dependency tracking).
 See \`config.log' for more details" "$LINENO" 5; }
  fi
-    # Extract the definition of DEPDIR, am__include, and am__quote
+  { am_dirpart=; unset am_dirpart;}
-    # from the Makefile without running 'make'.
+  { am_filepart=; unset am_filepart;}
-    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+  { am_mf=; unset am_mf;}
-    test -z "$DEPDIR" && continue
+  { am_rc=; unset am_rc;}
-    am__include=`sed -n 's/^am__include = //p' < "$mf"`
+  rm -f conftest-deps.mk
    test -z "$am__include" && continue
    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
    # Find all dependency output files, they are included files with
    # $(DEPDIR) in their names.  We invoke sed twice because it is the
    # simplest approach to changing $(DEPDIR) to its actual value in the
    # expansion.
    for file in `sed -n "
      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
 	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
      # Make sure the directory exists.
      test -f "$dirpart/$file" && continue
      fdir=`$as_dirname -- "$file" ||
 $as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$file" : 'X\(//\)[^/]' \| \
 	 X"$file" : 'X\(//\)$' \| \
 	 X"$file" : 'X\(/\)' \| . 2>/dev/null ||
 $as_echo X"$file" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
 	  }
 	  /^X\(\/\/\)[^/].*/{
 	    s//\1/
 	    q
 	  }
 	  /^X\(\/\/\)$/{
 	    s//\1/
 	    q
 	  }
 	  /^X\(\/\).*/{
 	    s//\1/
 	    q
 	  }
 	  s/.*/./; q'`
      as_dir=$dirpart/$fdir; as_fn_mkdir_p
      # echo "creating $dirpart/$file"
      echo '# dummy' > "$dirpart/$file"
    done
  done
 }
 ;;
    "libtool":C)
--- a/mio/lib/Makefile.in
+++ b/mio/lib/Makefile.in
@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.15 from Makefile.am.
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
 # @configure_input@
-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -166,7 +166,19 @@ am__v_at_0 = @
 am__v_at_1 = 
 DEFAULT_INCLUDES = 
 depcomp = $(SHELL) $(top_srcdir)/ac/depcomp
-am__depfiles_maybe = depfiles
+am__maybe_remake_depfiles = depfiles
 am__depfiles_remade = ./$(DEPDIR)/libmio_la-dns.Plo \
 	./$(DEPDIR)/libmio_la-err.Plo ./$(DEPDIR)/libmio_la-fmt.Plo \
 	./$(DEPDIR)/libmio_la-mio.Plo ./$(DEPDIR)/libmio_la-pro.Plo \
 	./$(DEPDIR)/libmio_la-sck-addr.Plo \
 	./$(DEPDIR)/libmio_la-sck.Plo \
 	./$(DEPDIR)/libmio_la-sys-ass.Plo \
 	./$(DEPDIR)/libmio_la-sys-err.Plo \
 	./$(DEPDIR)/libmio_la-sys-log.Plo \
 	./$(DEPDIR)/libmio_la-sys-mux.Plo \
 	./$(DEPDIR)/libmio_la-sys-tim.Plo \
 	./$(DEPDIR)/libmio_la-sys.Plo ./$(DEPDIR)/libmio_la-tmr.Plo \
 	./$(DEPDIR)/libmio_la-utf8.Plo ./$(DEPDIR)/libmio_la-utl.Plo
 am__mv = mv -f
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
@ -356,7 +368,6 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
 runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@ -441,8 +452,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	  *config.status*) \
 	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
 	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
 	esac;
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
@ -513,22 +524,28 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-dns.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-dns.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-err.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-err.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-fmt.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-fmt.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-mio.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-mio.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-pro.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-pro.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sck-addr.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sck-addr.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sck.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sck.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys-ass.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys-ass.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys-err.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys-err.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys-log.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys-log.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys-mux.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys-mux.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys-tim.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys-tim.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-sys.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-tmr.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-tmr.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-utf8.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-utf8.Plo@am__quote@ # am--include-marker
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-utl.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-utl.Plo@am__quote@ # am--include-marker
 $(am__depfiles_remade):
 	@$(MKDIR_P) $(@D)
 	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
 am--depfiles: $(am__depfiles_remade)
 .c.o:
@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
@ -745,7 +762,10 @@ cscopelist-am: $(am__tagged_files)
 distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
-distdir: $(DISTFILES)
+distdir: $(BUILT_SOURCES)
 	$(MAKE) $(AM_MAKEFLAGS) distdir-am
 distdir-am: $(DISTFILES)
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	list='$(DISTFILES)'; \
@ -818,7 +838,22 @@ clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \
 	mostlyclean-am
 distclean: distclean-am
-	-rm -rf ./$(DEPDIR)
+		-rm -f ./$(DEPDIR)/libmio_la-dns.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-err.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-fmt.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-mio.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-pro.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sck-addr.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sck.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys-ass.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys-err.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys-log.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys-mux.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys-tim.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-tmr.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-utf8.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-utl.Plo
 	-rm -f Makefile
 distclean-am: clean-am distclean-compile distclean-generic \
 	distclean-hdr distclean-tags
@ -865,7 +900,22 @@ install-ps-am:
 installcheck-am:
 maintainer-clean: maintainer-clean-am
-	-rm -rf ./$(DEPDIR)
+		-rm -f ./$(DEPDIR)/libmio_la-dns.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-err.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-fmt.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-mio.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-pro.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sck-addr.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sck.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys-ass.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys-err.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys-log.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys-mux.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys-tim.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-sys.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-tmr.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-utf8.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-utl.Plo
 	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic
@ -887,9 +937,9 @@ uninstall-am: uninstall-includeHEADERS uninstall-libLTLIBRARIES
 	$(MAKE) $(AM_MAKEFLAGS) uninstall-hook
 .MAKE: all install-am install-data-am install-strip uninstall-am
-.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
-	clean-libLTLIBRARIES clean-libtool cscopelist-am ctags \
+	clean-generic clean-libLTLIBRARIES clean-libtool cscopelist-am \
-	ctags-am distclean distclean-compile distclean-generic \
+	ctags ctags-am distclean distclean-compile distclean-generic \
 	distclean-hdr distclean-libtool distclean-tags distdir dvi \
 	dvi-am html html-am info info-am install install-am \
 	install-data install-data-am install-data-hook install-dvi \
--- a/mio/lib/dns.c
+++ b/mio/lib/dns.c
@ -28,21 +28,15 @@
 #include <mio-sck.h>
 #include "mio-prv.h"
-typedef struct mio_dns_t mio_dns_t;
+typedef struct mio_svc_dns_t mio_svc_dns_t;
-struct mio_dns_t
+struct mio_svc_dns_t
 {
 	MIO_SVC_HEADERS;
 	/*MIO_DNS_SVC_HEADERS;*/
 };
-struct mio_dnss_t
+struct mio_svc_dnc_t
 {
 	MIO_SVC_HEADERS;
 	/*MIO_DNS_SVC_HEADERS;*/
 };
 struct mio_dnsc_t
 {
 	MIO_SVC_HEADERS;
 	/*MIO_DNS_SVC_HEADERS;*/
@ -53,17 +47,17 @@ struct mio_dnsc_t
 	mio_dns_msg_t* pending_req;
 };
-struct dnsc_sck_xtn_t
+struct dnc_sck_xtn_t
 {
-	mio_dnsc_t* dnsc;
+	mio_svc_dnc_t* dnc;
 };
-typedef struct dnsc_sck_xtn_t dnsc_sck_xtn_t;
+typedef struct dnc_sck_xtn_t dnc_sck_xtn_t;
 /* ----------------------------------------------------------------------- */
 #define DN_AT_END(ptr) (ptr[0] == '\0' || (ptr[0] == '.' && ptr[1] == '\0'))
-static mio_oow_t to_dn (mio_dns_t* dns, const mio_bch_t* str, mio_uint8_t* buf, mio_oow_t bufsz)
+static mio_oow_t to_dn (mio_svc_dns_t* dns, const mio_bch_t* str, mio_uint8_t* buf, mio_oow_t bufsz)
 {
 	mio_uint8_t* bp = buf, * be = buf + bufsz;
@ -133,18 +127,18 @@ static mio_oow_t dn_length (mio_uint8_t* ptr, mio_oow_t len)
 #	define dns_msg_to_pkt(msg) ((mio_dns_pkt_t*)((mio_dns_msg_t*)(msg) + 1))
 #endif
-static void release_dns_msg (mio_dnsc_t* dnsc, mio_dns_msg_t* msg)
+static void release_dns_msg (mio_svc_dnc_t* dnc, mio_dns_msg_t* msg)
 {
-	mio_t* mio = dnsc->mio;
+	mio_t* mio = dnc->mio;
 MIO_DEBUG1 (mio, "releasing dns msg %d\n", (int)mio_ntoh16(dns_msg_to_pkt(msg)->id));
-	if (msg == dnsc->pending_req || msg->next || msg->prev)
+	if (msg == dnc->pending_req || msg->next || msg->prev)
 	{
 		/* it's chained in the pending request. unchain it */
 		if (msg->next) msg->next->prev = msg->prev;
 		if (msg->prev) msg->prev->next = msg->next;
-		else dnsc->pending_req = msg->next;
+		else dnc->pending_req = msg->next;
 	}
 /* TODO:  add it to the free msg list instead of just freeing it. */
@ -157,7 +151,7 @@ MIO_DEBUG1 (mio, "releasing dns msg %d\n", (int)mio_ntoh16(dns_msg_to_pkt(msg)->
 	mio_freemem (mio, msg);
 }
-static mio_oow_t encode_rdata_in_dns_msg (mio_dnsc_t* dnsc, const mio_dns_brr_t* rr, mio_dns_rrtr_t* rrtr)
+static mio_oow_t encode_rdata_in_dns_msg (mio_svc_dnc_t* dnc, const mio_dns_brr_t* rr, mio_dns_rrtr_t* rrtr)
 {
 	switch (rr->qtype)
 	{
@ -213,9 +207,9 @@ static mio_oow_t encode_rdata_in_dns_msg (mio_dnsc_t* dnsc, const mio_dns_brr_t*
 	return rr->dlen;
 }
-static mio_dns_msg_t* build_dns_msg (mio_dnsc_t* dnsc, mio_dns_bdns_t* bdns, mio_dns_bqr_t* qr, mio_oow_t qr_count, mio_dns_brr_t* rr, mio_oow_t rr_count, mio_dns_bedns_t* edns)
+static mio_dns_msg_t* build_dns_msg (mio_svc_dnc_t* dnc, mio_dns_bdns_t* bdns, mio_dns_bqr_t* qr, mio_oow_t qr_count, mio_dns_brr_t* rr, mio_oow_t rr_count, mio_dns_bedns_t* edns, void* ctx)
 {
-	mio_t* mio = dnsc->mio;
+	mio_t* mio = dnc->mio;
 	mio_oow_t dnlen, msgbufsz, i;
 	mio_dns_msg_t* msg;
 	mio_dns_pkt_t* pkt;
@ -279,18 +273,19 @@ static mio_dns_msg_t* build_dns_msg (mio_dnsc_t* dnsc, mio_dns_bdns_t* bdns, mio
 	msg->buflen = msgbufsz; /* record the buffer size in the preamble */
 	msg->rtmridx = MIO_TMRIDX_INVALID;
-	msg->dev = (mio_dev_t*)dnsc->sck;
+	msg->dev = (mio_dev_t*)dnc->sck;
 	msg->ctx = ctx;
-	pkt = dns_msg_to_pkt(msg); /* actual message begins after the size word */
+	pkt = dns_msg_to_pkt(msg); /* actual packet data begins after the message structure */
-	dn = (mio_uint8_t*)(pkt + 1);
+	dn = (mio_uint8_t*)(pkt + 1); /* skip the dns packet header */
 	for (i = 0; i < qr_count; i++)
 	{
 		/* dnlen includes the ending <zero> */
-		dnlen = to_dn((mio_dns_t*)dnsc, qr[i].qname, dn, mio_count_bcstr(qr[i].qname) + 2);
+		dnlen = to_dn((mio_svc_dns_t*)dnc, qr[i].qname, dn, mio_count_bcstr(qr[i].qname) + 2);
 		if (dnlen <= 0)
 		{
-			release_dns_msg (dnsc, msg);
+			release_dns_msg (dnc, msg);
 			mio_seterrbfmt (mio, MIO_EINVAL, "invalid domain name - %hs", qr[i].qname);
 			return MIO_NULL;
 		}
@ -310,10 +305,10 @@ static mio_dns_msg_t* build_dns_msg (mio_dnsc_t* dnsc, mio_dns_bdns_t* bdns, mio
 			{
 				mio_oow_t rdata_len;
-				dnlen = to_dn((mio_dns_t*)dnsc, rr[i].qname, dn, mio_count_bcstr(rr[i].qname) + 2);
+				dnlen = to_dn((mio_svc_dns_t*)dnc, rr[i].qname, dn, mio_count_bcstr(rr[i].qname) + 2);
 				if (dnlen <= 0)
 				{
-					release_dns_msg (dnsc, msg);
+					release_dns_msg (dnc, msg);
 					mio_seterrbfmt (mio, MIO_EINVAL, "invalid domain name - %hs", rr[i].qname);
 					return MIO_NULL;
 				}
@ -323,7 +318,7 @@ static mio_dns_msg_t* build_dns_msg (mio_dnsc_t* dnsc, mio_dns_bdns_t* bdns, mio
 				rrtr->qclass = mio_hton16(rr[i].qclass);
 				rrtr->ttl = mio_hton32(rr[i].ttl);
-				rdata_len = encode_rdata_in_dns_msg(dnsc, &rr[i], rrtr);
+				rdata_len = encode_rdata_in_dns_msg(dnc, &rr[i], rrtr);
 				dn = (mio_uint8_t*)(rrtr + 1) + rdata_len;
 				match_count++;
@ -368,8 +363,8 @@ static mio_dns_msg_t* build_dns_msg (mio_dnsc_t* dnsc, mio_dns_bdns_t* bdns, mio
 	if (bdns->id < 0)
 	{
-		pkt->id = mio_hton16(dnsc->seq);
+		pkt->id = mio_hton16(dnc->seq);
-		dnsc->seq++;
+		dnc->seq++;
 	}
 	else
 	{
@ -392,10 +387,10 @@ static mio_dns_msg_t* build_dns_msg (mio_dnsc_t* dnsc, mio_dns_bdns_t* bdns, mio
 	return msg;
 }
-static int parse_dns_pkt (mio_dnsc_t* dnsc, mio_dns_pkt_t* pkt, mio_oow_t len)
+static int parse_dns_pkt (mio_svc_dnc_t* dnc, mio_dns_pkt_t* pkt, mio_oow_t len)
 {
-	mio_t* mio = dnsc->mio;
+	mio_t* mio = dnc->mio;
 	mio_dns_bdns_t* bdns;
 	mio_uint16_t i, rrc;
 	mio_uint8_t* dn;
@ -501,10 +496,10 @@ return 0;
 /* ----------------------------------------------------------------------- */
-static int dnsc_on_read (mio_dev_sck_t* dev, const void* data, mio_iolen_t dlen, const mio_sckaddr_t* srcaddr)
+static int dnc_on_read (mio_dev_sck_t* dev, const void* data, mio_iolen_t dlen, const mio_sckaddr_t* srcaddr)
 {
 	mio_t* mio = dev->mio;
-	mio_dnsc_t* dnsc = ((dnsc_sck_xtn_t*)mio_dev_sck_getxtn(dev))->dnsc;
+	mio_svc_dnc_t* dnc = ((dnc_sck_xtn_t*)mio_dev_sck_getxtn(dev))->dnc;
 	mio_dns_pkt_t* pkt;
 	mio_dns_msg_t* reqmsg;
 	mio_uint16_t id;
@ -523,10 +518,10 @@ static int dnsc_on_read (mio_dev_sck_t* dev, const void* data, mio_iolen_t dlen,
 	id = mio_ntoh16(pkt->id);
-	/* if id doesn't matche one of the pending requests sent,  drop */
+	/* if id doesn't match one of the pending requests sent,  drop it */
 /* TODO: improve performance */
-	reqmsg = dnsc->pending_req;
+	reqmsg = dnc->pending_req;
 	while (reqmsg)
 	{
 		mio_dns_pkt_t* reqpkt = dns_msg_to_pkt(reqmsg);
@ -534,9 +529,12 @@ static int dnsc_on_read (mio_dev_sck_t* dev, const void* data, mio_iolen_t dlen,
 		{
 MIO_DEBUG1 (mio, "received dns response...id %d\n", id);
 			/* TODO: parse the response... perform actual work. pass the result back?? */
-			parse_dns_pkt (dnsc, pkt, dlen);
+			/*parse_dns_pkt (dnc, pkt, dlen);*/
-			release_dns_msg (dnsc, reqmsg);
+			if (MIO_LIKELY(reqmsg->ctx))
 				((mio_svc_dnc_on_reply_t)reqmsg->ctx) (dnc, reqmsg, MIO_ENOERR, data, dlen);
 			release_dns_msg (dnc, reqmsg);
 			return 0;
 		}
 		reqmsg = reqmsg->next;
@ -547,25 +545,28 @@ MIO_DEBUG1 (mio, "received dns response...id %d\n", id);
 	return 0;
 }
-static void dnsc_on_read_timeout (mio_t* mio, const mio_ntime_t* now, mio_tmrjob_t* job)
+static void dnc_on_read_timeout (mio_t* mio, const mio_ntime_t* now, mio_tmrjob_t* job)
 {
-	mio_dns_msg_t* msg = (mio_dns_msg_t*)job->ctx;
+	mio_dns_msg_t* reqmsg = (mio_dns_msg_t*)job->ctx;
-	mio_dev_sck_t* dev = (mio_dev_sck_t*)msg->dev;
+	mio_dev_sck_t* dev = (mio_dev_sck_t*)reqmsg->dev;
-	mio_dnsc_t* dnsc = ((dnsc_sck_xtn_t*)mio_dev_sck_getxtn(dev))->dnsc;
+	mio_svc_dnc_t* dnc = ((dnc_sck_xtn_t*)mio_dev_sck_getxtn(dev))->dnc;
-	MIO_ASSERT (mio, msg->rtmridx == MIO_TMRIDX_INVALID);
+	MIO_ASSERT (mio, reqmsg->rtmridx == MIO_TMRIDX_INVALID);
 MIO_DEBUG0 (mio, "unable to receive dns response in time...\n");
-	release_dns_msg (dnsc, msg);
+
 	if (MIO_LIKELY(reqmsg->ctx))
 		((mio_svc_dnc_on_reply_t)reqmsg->ctx) (dnc, reqmsg, MIO_ETMOUT, MIO_NULL, 0);
 	release_dns_msg (dnc, reqmsg);
 }
-static int dnsc_on_write (mio_dev_sck_t* dev, mio_iolen_t wrlen, void* wrctx, const mio_sckaddr_t* dstaddr)
+static int dnc_on_write (mio_dev_sck_t* dev, mio_iolen_t wrlen, void* wrctx, const mio_sckaddr_t* dstaddr)
 {
 	mio_t* mio = dev->mio;
 	mio_dns_msg_t* msg = (mio_dns_msg_t*)wrctx;
-	mio_dnsc_t* dnsc = ((dnsc_sck_xtn_t*)mio_dev_sck_getxtn(dev))->dnsc;
+	mio_svc_dnc_t* dnc = ((dnc_sck_xtn_t*)mio_dev_sck_getxtn(dev))->dnc;
 MIO_DEBUG1 (mio, "sent dns message %d\n", (int)mio_ntoh16(dns_msg_to_pkt(msg)->id));
@ -577,7 +578,7 @@ MIO_DEBUG1 (mio, "sent dns message %d\n", (int)mio_ntoh16(dns_msg_to_pkt(msg)->i
 		mio_tmrjob_t tmrjob;
 		mio_ntime_t tmout;
-		/* TODO: make this configurable. or accept dnsc->config.read_timeout... */
+		/* TODO: make this configurable. or accept dnc->config.read_timeout... */
 		tmout.sec = 3;
 		tmout.nsec = 0;
@ -585,140 +586,166 @@ MIO_DEBUG1 (mio, "sent dns message %d\n", (int)mio_ntoh16(dns_msg_to_pkt(msg)->i
 		tmrjob.ctx = msg;
 		mio_gettime (mio, &tmrjob.when);
 		MIO_ADD_NTIME (&tmrjob.when, &tmrjob.when, &tmout);
-		tmrjob.handler = dnsc_on_read_timeout;
+		tmrjob.handler = dnc_on_read_timeout;
 		tmrjob.idxptr = &msg->rtmridx;
 		msg->rtmridx = mio_instmrjob(mio, &tmrjob);
 		if (msg->rtmridx == MIO_TMRIDX_INVALID)
 		{
 			if (MIO_LIKELY(msg->ctx))
 				((mio_svc_dnc_on_reply_t)msg->ctx) (dnc, msg, mio_geterrnum(mio), MIO_NULL, 0);
 			release_dns_msg (dnc, msg);
 			MIO_DEBUG0 (mio, "unable to schedule timeout...\n");
 			release_dns_msg (dnsc, msg);
 			return 0;
 		}
 		/* TODO: improve performance. hashing by id? */
-		if (dnsc->pending_req)
+
 		/* chain it to the peing request list */
 		if (dnc->pending_req)
 		{
-			dnsc->pending_req->prev = msg;
+			dnc->pending_req->prev = msg;
-			msg->next = dnsc->pending_req;
+			msg->next = dnc->pending_req;
 		}
-		dnsc->pending_req = msg;
+		dnc->pending_req = msg;
 	}
 	else
 	{
 		/* sent an answer - we don't need this any more */
 		/* also we don't call the on_reply callback stored in msg->ctx as this is not a reply context */
 		release_dns_msg (dnc, msg);
 	}
 	return 0;
 }
-static void dnsc_on_connect (mio_dev_sck_t* dev)
+static void dnc_on_connect (mio_dev_sck_t* dev)
 {
 }
-static void dnsc_on_disconnect (mio_dev_sck_t* dev)
+static void dnc_on_disconnect (mio_dev_sck_t* dev)
 {
 }
-mio_dnsc_t* mio_dnsc_start (mio_t* mio)
+mio_svc_dnc_t* mio_svc_dnc_start (mio_t* mio)
 {
-	mio_dnsc_t* dnsc = MIO_NULL;
+	mio_svc_dnc_t* dnc = MIO_NULL;
 	mio_dev_sck_make_t mkinfo;
-	dnsc_sck_xtn_t* xtn;
+	dnc_sck_xtn_t* xtn;
-	dnsc = (mio_dnsc_t*)mio_callocmem(mio, MIO_SIZEOF(*dnsc));
+	dnc = (mio_svc_dnc_t*)mio_callocmem(mio, MIO_SIZEOF(*dnc));
-	if (!dnsc) goto oops;
+	if (!dnc) goto oops;
-	dnsc->mio = mio;
+	dnc->mio = mio;
-	dnsc->stop = mio_dnsc_stop;
+	dnc->stop = mio_svc_dnc_stop;
 	MIO_MEMSET (&mkinfo, 0, MIO_SIZEOF(mkinfo));
 	mkinfo.type = MIO_DEV_SCK_UDP4; /* or UDP6 depending on the binding address */
-	mkinfo.on_write = dnsc_on_write;
+	mkinfo.on_write = dnc_on_write;
-	mkinfo.on_read = dnsc_on_read;
+	mkinfo.on_read = dnc_on_read;
-	mkinfo.on_connect = dnsc_on_connect;
+	mkinfo.on_connect = dnc_on_connect;
-	mkinfo.on_disconnect = dnsc_on_disconnect;
+	mkinfo.on_disconnect = dnc_on_disconnect;
-	dnsc->sck = mio_dev_sck_make(mio, MIO_SIZEOF(*xtn), &mkinfo);
+	dnc->sck = mio_dev_sck_make(mio, MIO_SIZEOF(*xtn), &mkinfo);
-	if (!dnsc->sck) goto oops;
+	if (!dnc->sck) goto oops;
-	xtn = (dnsc_sck_xtn_t*)mio_dev_sck_getxtn(dnsc->sck);
+	xtn = (dnc_sck_xtn_t*)mio_dev_sck_getxtn(dnc->sck);
-	xtn->dnsc = dnsc;
+	xtn->dnc = dnc;
 	/* TODO: bind if requested */
 	/*if (mio_dev_sck_bind(dev, ....) <= -1) goto oops;*/
 {
-mio_uint32_t ia = 0x01010101; /* 1.1.1.1 */
+mio_uint32_t ia = 0x01010101; /* 1.1.1.1 */ /* TODO: accept as parameter ... */
-	mio_sckaddr_initforip4 (&dnsc->serveraddr, 53, (mio_ip4addr_t*)&ia);
+	mio_sckaddr_initforip4 (&dnc->serveraddr, 53, (mio_ip4addr_t*)&ia);
 }
-	MIO_SVC_REGISTER (mio, (mio_svc_t*)dnsc);
+	MIO_SVC_REGISTER (mio, (mio_svc_t*)dnc);
-	return dnsc;
+	return dnc;
 oops:
-	if (dnsc)
+	if (dnc)
 	{
-		if (dnsc->sck) mio_dev_sck_kill (dnsc->sck);
+		if (dnc->sck) mio_dev_sck_kill (dnc->sck);
-		mio_freemem (mio, dnsc);
+		mio_freemem (mio, dnc);
 	}
 	return MIO_NULL;
 }
-void mio_dnsc_stop (mio_dnsc_t* dnsc)
+void mio_svc_dnc_stop (mio_svc_dnc_t* dnc)
 {
-	mio_t* mio = dnsc->mio;
+	mio_t* mio = dnc->mio;
-	if (dnsc->sck) mio_dev_sck_kill (dnsc->sck);
+	if (dnc->sck) mio_dev_sck_kill (dnc->sck);
-	MIO_SVC_UNREGISTER (mio, dnsc);
+	MIO_SVC_UNREGISTER (mio, dnc);
-	while (dnsc->pending_req) release_dns_msg (dnsc, dnsc->pending_req);
+	while (dnc->pending_req) release_dns_msg (dnc, dnc->pending_req);
-	mio_freemem (mio, dnsc);
+	mio_freemem (mio, dnc);
 }
-int mio_dnsc_sendmsg (mio_dnsc_t* dnsc, mio_dns_bdns_t* bdns, mio_dns_bqr_t* qr, mio_oow_t qr_count, mio_dns_brr_t* rr, mio_oow_t rr_count, mio_dns_bedns_t* edns)
+int mio_svc_dnc_sendmsg (mio_svc_dnc_t* dnc, mio_dns_bdns_t* bdns, mio_dns_bqr_t* qr, mio_oow_t qr_count, mio_dns_brr_t* rr, mio_oow_t rr_count, mio_dns_bedns_t* edns, mio_svc_dnc_on_reply_t on_reply)
 {
 	/* send a request or a response */
 	mio_dns_msg_t* msg;
-	msg = build_dns_msg(dnsc, bdns, qr, qr_count, rr, rr_count, edns);
+	msg = build_dns_msg(dnc, bdns, qr, qr_count, rr, rr_count, edns, on_reply);
 	if (!msg) return -1;
-	/* TODO: optionally, override dnsc->serveraddr and use the target address passed as a parameter */
+	/* TODO: optionally, override dnc->serveraddr and use the target address passed as a parameter */
-	if (mio_dev_sck_write(dnsc->sck, dns_msg_to_pkt(msg), msg->pktlen, msg, &dnsc->serveraddr) <= -1)
+	if (mio_dev_sck_write(dnc->sck, dns_msg_to_pkt(msg), msg->pktlen, msg, &dnc->serveraddr) <= -1)
 	{
-		release_dns_msg (dnsc, msg);
+		release_dns_msg (dnc, msg);
 		return -1;
 	}
 	return 0;
 }
-int mio_dnsc_sendreq (mio_dnsc_t* dnsc, mio_dns_bdns_t* bdns, mio_dns_bqr_t* qr, mio_oow_t qr_count, mio_dns_bedns_t* edns)
+int mio_svc_dnc_sendreq (mio_svc_dnc_t* dnc, mio_dns_bdns_t* bdns, mio_dns_bqr_t* qr, mio_oow_t qr_count, mio_dns_bedns_t* edns, mio_svc_dnc_on_reply_t on_reply)
 {
 	/* send requests without resource record */
 	mio_oow_t i;
 	for (i = 0; i < qr_count; i++)
 	{
-		if (mio_dnsc_sendmsg(dnsc, bdns, &qr[i], 1, MIO_NULL, 0, edns) <= -1) return -1;
+		if (mio_svc_dnc_sendmsg(dnc, bdns, &qr[i], 1, MIO_NULL, 0, edns, on_reply) <= -1) return -1;
 	}
 	return 0;
 }
-#if 0
+static void on_dnc_resolve_reply (mio_svc_dnc_t* dnc, mio_dns_msg_t* reqmsg, mio_errnum_t status, const void* data, mio_oow_t dlen)
 static void dnss_on_request (mio_dnss_t* dnss, mio_dns_req_t* req)
 {
 	mio_dnss_reply (dnss, rep); /* reply send timeout??? */
 }
-/* ----------------------------------------------------------------------- */
+int mio_svc_dnc_resolve (mio_svc_dnc_t* dnc, const mio_bch_t* qname, mio_dns_qtype_t qtype, mio_svc_dnc_on_reply_t on_reply)
 int main ()
 {
-	mio = mio_open ();
+	static mio_dns_bdns_t qhdr =
 	{
 		-1,              /* id */
 		0,                  /* qr */
 		MIO_DNS_OPCODE_QUERY, /* opcode */
 		0, /* aa */
 		0, /* tc */
 		1, /* rd */
 		0, /* ra */
 		0, /* ad */
 		0, /* cd */
 		MIO_DNS_RCODE_NOERROR /* rcode */
 	};
-	dnss1 = mio_dnss_start(mio, "1.1.1.1:53,2.2.2.2:53", dnss_on_request);
+	static mio_dns_bedns_t qedns =
-	mio_dnss_end (dnss1);
+	{
 		4096, /* uplen */
-	dnsc1 = mio_dnsc_start (mio, "8.8.8.8:53,1.1.1.1:53"); /* option - send to all, send one by one */
+		0,    /* edns version */
-	mio_dnsc_resolve (dnsc1, "A:www.google.com", dnsc_on_response);
+		0,    /* dnssec ok */
 	mio_dnsc_end (dnsc1);
-	mio_close (mio);
+		0,    /* number of edns options */
-	return 0;
+		MIO_NULL
 	};
 	mio_dns_bqr_t qr;
 	qr.qname = (mio_bch_t*)qname;
 	qr.qtype = qtype;
 	qr.qclass = MIO_DNS_QCLASS_IN;
 	return mio_svc_dnc_sendreq(dnc, &qhdr, &qr, 1, &qedns, on_reply);
 }
 #endif
--- a/mio/lib/mio-dns.h
+++ b/mio/lib/mio-dns.h
@ -120,6 +120,7 @@ struct mio_dns_msg_t
 	mio_oow_t      pktlen;
 	mio_tmridx_t   rtmridx;
 	mio_dev_t*     dev;
 	void*          ctx;
 	mio_dns_msg_t* prev;
 	mio_dns_msg_t* next;
 };
@ -205,8 +206,7 @@ typedef struct mio_dns_eopt_t mio_dns_eopt_t;
 #include <mio-upac.h>
-typedef struct mio_dnss_t mio_dnss_t;
+/* ---------------------------------------------------------------- */
 typedef struct mio_dnsc_t mio_dnsc_t;
 /*
 #define MIO_DNS_HDR_MAKE_FLAGS(qr,opcode,aa,tc,rd,ra,ad,cd,rcode) \
@ -324,34 +324,56 @@ struct mio_dns_bedns_t
 };
 typedef struct mio_dns_bedns_t mio_dns_bedns_t;
 /* ---------------------------------------------------------------- */
 typedef struct mio_svc_dns_t mio_svc_dns_t;
 typedef struct mio_svc_dnc_t mio_svc_dnc_t;
 typedef void (*mio_svc_dnc_on_reply_t) (
 	mio_svc_dnc_t* dnc,
 	mio_dns_msg_t* reqmsg,
 	mio_errnum_t   status,
 	const void*    data,
 	mio_oow_t      len
 );
 #if defined(__cplusplus)
 extern "C" {
 #endif
-MIO_EXPORT mio_dnsc_t* mio_dnsc_start (
+MIO_EXPORT mio_svc_dnc_t* mio_svc_dnc_start (
 	mio_t* mio
 );
-MIO_EXPORT void mio_dnsc_stop (
+MIO_EXPORT void mio_svc_dnc_stop (
-	mio_dnsc_t* dnsc
+	mio_svc_dnc_t* dnc
 );
-MIO_EXPORT int mio_dnsc_sendreq (
+MIO_EXPORT int mio_svc_dnc_sendreq (
-	mio_dnsc_t*      dnsc,
+	mio_svc_dnc_t*         dnc,
 	mio_dns_bdns_t*        bdns,
 	mio_dns_bqr_t*         qr,
 	mio_oow_t              qr_count,
-	mio_dns_bedns_t* edns
+	mio_dns_bedns_t*       edns,
 	mio_svc_dnc_on_reply_t on_reply
 );
-MIO_EXPORT int mio_dnsc_sendmsg (
+MIO_EXPORT int mio_svc_dnc_sendmsg (
-	mio_dnsc_t*      dnsc,
+	mio_svc_dnc_t*         dnc,
 	mio_dns_bdns_t*        bdns,
 	mio_dns_bqr_t*         qr,
 	mio_oow_t              qr_count,
 	mio_dns_brr_t*         rr,
 	mio_oow_t              rr_count,
-	mio_dns_bedns_t* edns
+	mio_dns_bedns_t*       edns,
 	mio_svc_dnc_on_reply_t on_reply
 );
 MIO_EXPORT int mio_svc_dnc_resolve (
 	mio_svc_dnc_t*         dnc,
 	const mio_bch_t*       qname,
 	mio_dns_qtype_t        qtype,
 	mio_svc_dnc_on_reply_t on_reply
 );
 #if defined(__cplusplus)
--- a/mio/lib/mio.c
+++ b/mio/lib/mio.c
@ -677,11 +677,11 @@ mio_dev_t* mio_dev_make (mio_t* mio, mio_oow_t dev_size, mio_dev_mth_t* dev_mth,
 	if (!(dev->dev_cap & MIO_DEV_CAP_OUT)) dev->dev_cap |= MIO_DEV_CAP_OUT_CLOSED;
 	if (mio_dev_watch(dev, MIO_DEV_WATCH_START, 0) <= -1) goto oops_after_make;
 	/* and place the new device object at the back of the active device list */
 	APPEND_DEVICE_TO_LIST (&mio->actdev, dev);
 	dev->dev_cap |= MIO_DEV_CAP_ACTIVE;
 	return dev;
 oops_after_make:
--- a/mio/lib/sys-err.c
+++ b/mio/lib/sys-err.c
@ -27,6 +27,7 @@
 #include "mio-prv.h"
 #include <errno.h>
 #include <string.h>
 static mio_errnum_t errno_to_errnum (int errcode)
 {
@ -240,6 +241,7 @@ mio_errnum_t mio_sys_syserrstrb (mio_t* mio, int syserr_type, int syserr_code, m
 			return errno_to_errnum(syserr_code);
 	}
 	if (buf) mio_copy_bcstr (buf, len, "system error");
 	return MIO_ESYSERR;
 }