From 5cc0e408b32cb5b46743598ae49be1e7ef75cec6 Mon Sep 17 00:00:00 2001
From: hyung-hwan <hyunghwan.chung@gmail.com>
Date: Sun, 19 Feb 2012 14:38:22 +0000
Subject: [PATCH] enhanced sio,pio,fio to support win9x fixed minor bugs in
 sio,pio,fio

---
 qse/Makefile.in                 |   1 +
 qse/cmd/Makefile.in             |   1 +
 qse/cmd/awk/Makefile.am         |   3 +
 qse/cmd/awk/Makefile.in         |   7 +-
 qse/cmd/awk/awk.c               |   4 +-
 qse/cmd/cut/Makefile.am         |   3 +
 qse/cmd/cut/Makefile.in         |   8 +-
 qse/cmd/fs/Makefile.am          |   3 +
 qse/cmd/fs/Makefile.in          |   8 +-
 qse/cmd/sed/Makefile.am         |   3 +
 qse/cmd/sed/Makefile.in         |   8 +-
 qse/cmd/stx/Makefile.am         |   3 +
 qse/cmd/stx/Makefile.in         |   7 +-
 qse/configure                   |  37 ++++
 qse/configure.ac                |   7 +
 qse/doc/Makefile.in             |   1 +
 qse/doc/image/Makefile.in       |   1 +
 qse/doc/page/Makefile.in        |   1 +
 qse/include/Makefile.in         |   1 +
 qse/include/qse/Makefile.in     |   1 +
 qse/include/qse/awk/Makefile.in |   1 +
 qse/include/qse/cmn/Makefile.in |   1 +
 qse/include/qse/cmn/fio.h       |   4 +-
 qse/include/qse/cmn/pio.h       |   1 +
 qse/include/qse/cmn/sio.h       |   1 +
 qse/include/qse/cut/Makefile.in |   1 +
 qse/include/qse/net/Makefile.in |   1 +
 qse/include/qse/net/httpd.h     |   3 +
 qse/include/qse/sed/Makefile.in |   1 +
 qse/include/qse/stx/Makefile.in |   1 +
 qse/lib/Makefile.in             |   1 +
 qse/lib/awk/Makefile.in         |   1 +
 qse/lib/cmn/Makefile.am         |   6 +-
 qse/lib/cmn/Makefile.in         |   8 +-
 qse/lib/cmn/fio.c               | 197 +++++++++++++++----
 qse/lib/cmn/main.c              |   6 +-
 qse/lib/cmn/pio.c               | 336 +++++++++++++++++++++++---------
 qse/lib/cmn/sio.c               |  61 +++---
 qse/lib/cmn/slmb.c              |  10 +-
 qse/lib/cut/Makefile.in         |   1 +
 qse/lib/net/Makefile.in         |   1 +
 qse/lib/net/httpd_task.c        |  22 ++-
 qse/lib/sed/Makefile.in         |   1 +
 qse/lib/stx/Makefile.in         |   1 +
 qse/regress/Makefile.in         |   1 +
 qse/regress/awk/Makefile.in     |   1 +
 qse/regress/sed/Makefile.in     |   1 +
 qse/samples/Makefile.in         |   1 +
 qse/samples/awk/Makefile.am     |   4 +
 qse/samples/awk/Makefile.in     |  29 +--
 qse/samples/cmn/Makefile.am     |   4 +
 qse/samples/cmn/Makefile.in     |  66 ++++---
 qse/samples/cmn/main01.c        |   5 +-
 qse/samples/cmn/pio.c           |  26 +--
 qse/samples/cut/Makefile.am     |   4 +
 qse/samples/cut/Makefile.in     |   9 +-
 qse/samples/fs/Makefile.am      |   4 +
 qse/samples/net/Makefile.am     |   4 +
 qse/samples/net/Makefile.in     |   8 +-
 qse/samples/net/http01.c        |  25 ++-
 qse/samples/sed/Makefile.am     |   4 +
 qse/samples/sed/Makefile.in     |  14 +-
 62 files changed, 715 insertions(+), 270 deletions(-)

diff --git a/qse/Makefile.in b/qse/Makefile.in
index f379714b..9a17d76e 100644
--- a/qse/Makefile.in
+++ b/qse/Makefile.in
@@ -194,6 +194,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/cmd/Makefile.in b/qse/cmd/Makefile.in
index c70bdc9d..dc348686 100644
--- a/qse/cmd/Makefile.in
+++ b/qse/cmd/Makefile.in
@@ -179,6 +179,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/cmd/awk/Makefile.am b/qse/cmd/awk/Makefile.am
index 971f1f28..baa2f42c 100644
--- a/qse/cmd/awk/Makefile.am
+++ b/qse/cmd/awk/Makefile.am
@@ -11,3 +11,6 @@ qseawk_SOURCES = awk.c
 qseawk_LDFLAGS = -L../../lib/awk -L../../lib/cmn -L$(libdir)
 qseawk_LDADD = -lqseawk -lqsecmn $(LIBM)
 
+if WIN32 
+qseawk_LDADD += $(UNICOWS_LIBS)
+endif
diff --git a/qse/cmd/awk/Makefile.in b/qse/cmd/awk/Makefile.in
index a87c4b92..d48772b0 100644
--- a/qse/cmd/awk/Makefile.in
+++ b/qse/cmd/awk/Makefile.in
@@ -35,6 +35,7 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 bin_PROGRAMS = qseawk$(EXEEXT)
+@WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
 subdir = cmd/awk
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -54,7 +55,8 @@ PROGRAMS = $(bin_PROGRAMS)
 am_qseawk_OBJECTS = awk.$(OBJEXT)
 qseawk_OBJECTS = $(am_qseawk_OBJECTS)
 am__DEPENDENCIES_1 =
-qseawk_DEPENDENCIES = $(am__DEPENDENCIES_1)
+@WIN32_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+qseawk_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
 qseawk_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(qseawk_LDFLAGS) \
 	$(LDFLAGS) -o $@
@@ -166,6 +168,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -229,7 +232,7 @@ AM_CPPFLAGS = \
 
 qseawk_SOURCES = awk.c
 qseawk_LDFLAGS = -L../../lib/awk -L../../lib/cmn -L$(libdir)
-qseawk_LDADD = -lqseawk -lqsecmn $(LIBM)
+qseawk_LDADD = -lqseawk -lqsecmn $(LIBM) $(am__append_1)
 all: all-am
 
 .SUFFIXES:
diff --git a/qse/cmd/awk/awk.c b/qse/cmd/awk/awk.c
index 72a42fb7..26093469 100644
--- a/qse/cmd/awk/awk.c
+++ b/qse/cmd/awk/awk.c
@@ -63,8 +63,8 @@ struct arg_t
 	qse_awk_parsestd_type_t ist;  /* input source type */
 	union
 	{
-		const qse_char_t* str;
-		qse_char_t**      files;
+		qse_char_t*  str;
+		qse_char_t** files;
 	} isp;
 	qse_size_t   isfl; /* the number of input source files */
 
diff --git a/qse/cmd/cut/Makefile.am b/qse/cmd/cut/Makefile.am
index 25a1274f..7ebe3d48 100644
--- a/qse/cmd/cut/Makefile.am
+++ b/qse/cmd/cut/Makefile.am
@@ -11,3 +11,6 @@ qsecut_SOURCES = cut.c
 qsecut_LDFLAGS = -L../../lib/cut -L../../lib/cmn -L$(libdir)
 qsecut_LDADD = -lqsecut -lqsecmn
 
+if WIN32 
+qsecut_LDADD += $(UNICOWS_LIBS)
+endif
diff --git a/qse/cmd/cut/Makefile.in b/qse/cmd/cut/Makefile.in
index 743e9f7d..74915157 100644
--- a/qse/cmd/cut/Makefile.in
+++ b/qse/cmd/cut/Makefile.in
@@ -35,6 +35,7 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 bin_PROGRAMS = qsecut$(EXEEXT)
+@WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
 subdir = cmd/cut
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -53,7 +54,9 @@ am__installdirs = "$(DESTDIR)$(bindir)"
 PROGRAMS = $(bin_PROGRAMS)
 am_qsecut_OBJECTS = cut.$(OBJEXT)
 qsecut_OBJECTS = $(am_qsecut_OBJECTS)
-qsecut_DEPENDENCIES =
+am__DEPENDENCIES_1 =
+@WIN32_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+qsecut_DEPENDENCIES = $(am__DEPENDENCIES_2)
 qsecut_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(qsecut_LDFLAGS) \
 	$(LDFLAGS) -o $@
@@ -165,6 +168,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -228,7 +232,7 @@ AM_CPPFLAGS = \
 
 qsecut_SOURCES = cut.c
 qsecut_LDFLAGS = -L../../lib/cut -L../../lib/cmn -L$(libdir)
-qsecut_LDADD = -lqsecut -lqsecmn
+qsecut_LDADD = -lqsecut -lqsecmn $(am__append_1)
 all: all-am
 
 .SUFFIXES:
diff --git a/qse/cmd/fs/Makefile.am b/qse/cmd/fs/Makefile.am
index 097f6751..768caf90 100644
--- a/qse/cmd/fs/Makefile.am
+++ b/qse/cmd/fs/Makefile.am
@@ -11,3 +11,6 @@ qsefs_SOURCES = fs.c
 qsefs_LDFLAGS = -L../../lib/cmn -L$(libdir)
 qsefs_LDADD = -lqsecmn
 
+if WIN32 
+qsefs_LDADD += $(UNICOWS_LIBS)
+endif
diff --git a/qse/cmd/fs/Makefile.in b/qse/cmd/fs/Makefile.in
index c8701a73..3e8bbd3a 100644
--- a/qse/cmd/fs/Makefile.in
+++ b/qse/cmd/fs/Makefile.in
@@ -35,6 +35,7 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 bin_PROGRAMS = qsefs$(EXEEXT)
+@WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
 subdir = cmd/fs
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -53,7 +54,9 @@ am__installdirs = "$(DESTDIR)$(bindir)"
 PROGRAMS = $(bin_PROGRAMS)
 am_qsefs_OBJECTS = fs.$(OBJEXT)
 qsefs_OBJECTS = $(am_qsefs_OBJECTS)
-qsefs_DEPENDENCIES =
+am__DEPENDENCIES_1 =
+@WIN32_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+qsefs_DEPENDENCIES = $(am__DEPENDENCIES_2)
 qsefs_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(qsefs_LDFLAGS) \
 	$(LDFLAGS) -o $@
@@ -165,6 +168,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -228,7 +232,7 @@ AM_CPPFLAGS = \
 
 qsefs_SOURCES = fs.c
 qsefs_LDFLAGS = -L../../lib/cmn -L$(libdir)
-qsefs_LDADD = -lqsecmn
+qsefs_LDADD = -lqsecmn $(am__append_1)
 all: all-am
 
 .SUFFIXES:
diff --git a/qse/cmd/sed/Makefile.am b/qse/cmd/sed/Makefile.am
index 9516c76e..bbfbb17b 100644
--- a/qse/cmd/sed/Makefile.am
+++ b/qse/cmd/sed/Makefile.am
@@ -11,3 +11,6 @@ qsesed_SOURCES = sed.c
 qsesed_LDFLAGS = -L../../lib/sed -L../../lib/cmn -L$(libdir)
 qsesed_LDADD = -lqsesed -lqsecmn
 
+if WIN32 
+qsesed_LDADD += $(UNICOWS_LIBS)
+endif
diff --git a/qse/cmd/sed/Makefile.in b/qse/cmd/sed/Makefile.in
index 3d79acd0..0eb6462a 100644
--- a/qse/cmd/sed/Makefile.in
+++ b/qse/cmd/sed/Makefile.in
@@ -35,6 +35,7 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 bin_PROGRAMS = qsesed$(EXEEXT)
+@WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
 subdir = cmd/sed
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -53,7 +54,9 @@ am__installdirs = "$(DESTDIR)$(bindir)"
 PROGRAMS = $(bin_PROGRAMS)
 am_qsesed_OBJECTS = sed.$(OBJEXT)
 qsesed_OBJECTS = $(am_qsesed_OBJECTS)
-qsesed_DEPENDENCIES =
+am__DEPENDENCIES_1 =
+@WIN32_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+qsesed_DEPENDENCIES = $(am__DEPENDENCIES_2)
 qsesed_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(qsesed_LDFLAGS) \
 	$(LDFLAGS) -o $@
@@ -165,6 +168,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -228,7 +232,7 @@ AM_CPPFLAGS = \
 
 qsesed_SOURCES = sed.c
 qsesed_LDFLAGS = -L../../lib/sed -L../../lib/cmn -L$(libdir)
-qsesed_LDADD = -lqsesed -lqsecmn
+qsesed_LDADD = -lqsesed -lqsecmn $(am__append_1)
 all: all-am
 
 .SUFFIXES:
diff --git a/qse/cmd/stx/Makefile.am b/qse/cmd/stx/Makefile.am
index 38a0acda..9d318c59 100644
--- a/qse/cmd/stx/Makefile.am
+++ b/qse/cmd/stx/Makefile.am
@@ -11,3 +11,6 @@ qsestx_SOURCES = stx.c
 qsestx_LDFLAGS = -L../../lib/stx -L../../lib/cmn -L$(libdir)
 qsestx_LDADD = -lqsestx -lqsecmn $(LIBM)
 
+if WIN32 
+qsestx_LDADD += $(UNICOWS_LIBS)
+endif
diff --git a/qse/cmd/stx/Makefile.in b/qse/cmd/stx/Makefile.in
index 83e4b7cf..6d39763f 100644
--- a/qse/cmd/stx/Makefile.in
+++ b/qse/cmd/stx/Makefile.in
@@ -35,6 +35,7 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 bin_PROGRAMS = qsestx$(EXEEXT)
+@WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
 subdir = cmd/stx
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -54,7 +55,8 @@ PROGRAMS = $(bin_PROGRAMS)
 am_qsestx_OBJECTS = stx.$(OBJEXT)
 qsestx_OBJECTS = $(am_qsestx_OBJECTS)
 am__DEPENDENCIES_1 =
-qsestx_DEPENDENCIES = $(am__DEPENDENCIES_1)
+@WIN32_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+qsestx_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
 qsestx_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(qsestx_LDFLAGS) \
 	$(LDFLAGS) -o $@
@@ -166,6 +168,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -229,7 +232,7 @@ AM_CPPFLAGS = \
 
 qsestx_SOURCES = stx.c
 qsestx_LDFLAGS = -L../../lib/stx -L../../lib/cmn -L$(libdir)
-qsestx_LDADD = -lqsestx -lqsecmn $(LIBM)
+qsestx_LDADD = -lqsestx -lqsecmn $(LIBM) $(am__append_1)
 all: all-am
 
 .SUFFIXES:
diff --git a/qse/configure b/qse/configure
index a070bf41..6b91566b 100755
--- a/qse/configure
+++ b/qse/configure
@@ -635,6 +635,7 @@ ENABLE_CXX_FALSE
 ENABLE_CXX_TRUE
 BUILD_MODE
 CHAR_MODE
+UNICOWS_LIBS
 SENDFILE_LIBS
 SOCKET_LIBS
 LIBM
@@ -16539,6 +16540,42 @@ fi
 fi
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lunicows" >&5
+$as_echo_n "checking for main in -lunicows... " >&6; }
+if ${ac_cv_lib_unicows_main+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lunicows  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+int
+main ()
+{
+return main ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_unicows_main=yes
+else
+  ac_cv_lib_unicows_main=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_unicows_main" >&5
+$as_echo "$ac_cv_lib_unicows_main" >&6; }
+if test "x$ac_cv_lib_unicows_main" = xyes; then :
+  UNICOWS_LIBS="-lunicows"
+fi
+
+
+
 ac_header_dirent=no
 for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
   as_ac_Header=`$as_echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
diff --git a/qse/configure.ac b/qse/configure.ac
index 6d9f47b1..86a85db1 100644
--- a/qse/configure.ac
+++ b/qse/configure.ac
@@ -169,6 +169,13 @@ then
 fi
 AC_SUBST(SENDFILE_LIBS)
 
+dnl check is the import library for unicows.dll exists
+dnl this check doesn't look for a particular symbol
+dnl but for the symbol 'main' since i want to check 
+dnl the existence of the libaray.
+AC_CHECK_LIB([unicows], [main], [UNICOWS_LIBS="-lunicows"])
+AC_SUBST(UNICOWS_LIBS)
+
 AC_STRUCT_DIRENT_D_TYPE
 AC_CHECK_MEMBERS([struct stat.st_birthtime])
 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec])
diff --git a/qse/doc/Makefile.in b/qse/doc/Makefile.in
index 11649b84..6a37e479 100644
--- a/qse/doc/Makefile.in
+++ b/qse/doc/Makefile.in
@@ -183,6 +183,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/doc/image/Makefile.in b/qse/doc/image/Makefile.in
index 46a03912..e5adb1d3 100644
--- a/qse/doc/image/Makefile.in
+++ b/qse/doc/image/Makefile.in
@@ -142,6 +142,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/doc/page/Makefile.in b/qse/doc/page/Makefile.in
index 5f23e975..4a507618 100644
--- a/qse/doc/page/Makefile.in
+++ b/qse/doc/page/Makefile.in
@@ -142,6 +142,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/include/Makefile.in b/qse/include/Makefile.in
index d91126d7..b171995a 100644
--- a/qse/include/Makefile.in
+++ b/qse/include/Makefile.in
@@ -180,6 +180,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/include/qse/Makefile.in b/qse/include/qse/Makefile.in
index 9a506630..966876f5 100644
--- a/qse/include/qse/Makefile.in
+++ b/qse/include/qse/Makefile.in
@@ -208,6 +208,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/include/qse/awk/Makefile.in b/qse/include/qse/awk/Makefile.in
index 6c497946..6318e015 100644
--- a/qse/include/qse/awk/Makefile.in
+++ b/qse/include/qse/awk/Makefile.in
@@ -169,6 +169,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/include/qse/cmn/Makefile.in b/qse/include/qse/cmn/Makefile.in
index de425273..0b07a688 100644
--- a/qse/include/qse/cmn/Makefile.in
+++ b/qse/include/qse/cmn/Makefile.in
@@ -173,6 +173,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/include/qse/cmn/fio.h b/qse/include/qse/cmn/fio.h
index cc582aa9..c6a54094 100644
--- a/qse/include/qse/cmn/fio.h
+++ b/qse/include/qse/cmn/fio.h
@@ -77,8 +77,8 @@ enum qse_fio_errnum_t
 	QSE_FIO_ENOENT,     /**< no such file */
 	QSE_FIO_EEXIST,     /**< already exist */
 	QSE_FIO_EINTR,      /**< interrupted */
-	QSE_FIO_ENOIMPL,    /**< not implemented */
 	QSE_FIO_ESUBSYS,    /**< subsystem(system call) error */
+	QSE_FIO_ENOIMPL,    /**< not implemented */
 
 	QSE_FIO_EOTHER      /**< other error */
 };
@@ -142,7 +142,7 @@ struct qse_fio_t
 	QSE_DEFINE_COMMON_FIELDS (fio)
 	qse_fio_errnum_t errnum;
 	qse_fio_hnd_t    handle;
-	int              flags; /* extra flags */
+	int              status; 
 };
 
 struct qse_fio_lck_t
diff --git a/qse/include/qse/cmn/pio.h b/qse/include/qse/cmn/pio.h
index 0792656d..2a6337d8 100644
--- a/qse/include/qse/cmn/pio.h
+++ b/qse/include/qse/cmn/pio.h
@@ -140,6 +140,7 @@ enum qse_pio_errnum_t
 	QSE_PIO_EICSEQ,     /**< incomplete sequence */
 	QSE_PIO_EILCHR,     /**< illegal character */
 	QSE_PIO_ESUBSYS,    /**< subsystem error */
+	QSE_PIO_ENOIMPL,    /**< not implemented */
 
 	QSE_PIO_EOTHER     /**< unknown error */
 };
diff --git a/qse/include/qse/cmn/sio.h b/qse/include/qse/cmn/sio.h
index 08ee9227..b3a2f995 100644
--- a/qse/include/qse/cmn/sio.h
+++ b/qse/include/qse/cmn/sio.h
@@ -74,6 +74,7 @@ enum qse_sio_errnum_t
 	QSE_SIO_EICSEQ,     /**< incomplete sequence */
 	QSE_SIO_EILCHR,     /**< illegal character */
 	QSE_SIO_ESUBSYS,    /**< subsystem(system call) error */
+	QSE_SIO_ENOIMPL,    /**< not implemented */
 
 	QSE_SIO_EOTHER      /**< other error */
 };
diff --git a/qse/include/qse/cut/Makefile.in b/qse/include/qse/cut/Makefile.in
index e28fad27..7e42d78a 100644
--- a/qse/include/qse/cut/Makefile.in
+++ b/qse/include/qse/cut/Makefile.in
@@ -169,6 +169,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/include/qse/net/Makefile.in b/qse/include/qse/net/Makefile.in
index 0457637f..7775a5a6 100644
--- a/qse/include/qse/net/Makefile.in
+++ b/qse/include/qse/net/Makefile.in
@@ -167,6 +167,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/include/qse/net/httpd.h b/qse/include/qse/net/httpd.h
index 7fe092de..2aaacd51 100644
--- a/qse/include/qse/net/httpd.h
+++ b/qse/include/qse/net/httpd.h
@@ -322,6 +322,9 @@ qse_httpd_task_t* qse_httpd_entaskcontinue (
 	qse_htre_t*               req
 );
 
+/**
+ * The qse_httpd_entaskauth() function adds a basic authorization task.
+ */
 qse_httpd_task_t* qse_httpd_entaskauth (
      qse_httpd_t*              httpd,
 	qse_httpd_client_t*       client,
diff --git a/qse/include/qse/sed/Makefile.in b/qse/include/qse/sed/Makefile.in
index f1a16115..ceb947b1 100644
--- a/qse/include/qse/sed/Makefile.in
+++ b/qse/include/qse/sed/Makefile.in
@@ -169,6 +169,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/include/qse/stx/Makefile.in b/qse/include/qse/stx/Makefile.in
index 0a9f9728..169f977a 100644
--- a/qse/include/qse/stx/Makefile.in
+++ b/qse/include/qse/stx/Makefile.in
@@ -167,6 +167,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/lib/Makefile.in b/qse/lib/Makefile.in
index 932b8f53..d385e452 100644
--- a/qse/lib/Makefile.in
+++ b/qse/lib/Makefile.in
@@ -179,6 +179,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/lib/awk/Makefile.in b/qse/lib/awk/Makefile.in
index 68c1c6fb..b4a6e9c9 100644
--- a/qse/lib/awk/Makefile.in
+++ b/qse/lib/awk/Makefile.in
@@ -206,6 +206,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/lib/cmn/Makefile.am b/qse/lib/cmn/Makefile.am
index 4db96187..9d9e4da5 100644
--- a/qse/lib/cmn/Makefile.am
+++ b/qse/lib/cmn/Makefile.am
@@ -100,9 +100,9 @@ libqsecmn_la_SOURCES = \
 
 libqsecmn_la_LDFLAGS = -L$(libdir) -version-info 1:0:0 -no-undefined
 
-if WIN32 
-libqsecmn_la_LIBADD = -lpsapi
-endif
+#if WIN32 
+#libqsecmn_la_LIBADD = -lpsapi
+#endif
 
 if ENABLE_CXX
 
diff --git a/qse/lib/cmn/Makefile.in b/qse/lib/cmn/Makefile.in
index f8adab80..ec8afee2 100644
--- a/qse/lib/cmn/Makefile.in
+++ b/qse/lib/cmn/Makefile.in
@@ -35,6 +35,10 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
+
+#if WIN32 
+#libqsecmn_la_LIBADD = -lpsapi
+#endif
 @ENABLE_CXX_TRUE@am__append_1 = libqsecmnxx.la
 subdir = lib/cmn
 DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
@@ -74,7 +78,7 @@ am__base_list = \
   sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
 am__installdirs = "$(DESTDIR)$(libdir)"
 LTLIBRARIES = $(lib_LTLIBRARIES)
-libqsecmn_la_DEPENDENCIES =
+libqsecmn_la_LIBADD =
 am_libqsecmn_la_OBJECTS = alg-rand.lo alg-search.lo alg-sort.lo \
 	assert.lo chr.lo dll.lo env.lo gdl.lo htb.lo lda.lo fio.lo \
 	fma.lo fmt.lo fs.lo fs-err.lo fs-move.lo hton.lo ipad.lo \
@@ -220,6 +224,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -373,7 +378,6 @@ libqsecmn_la_SOURCES = \
 	xma.c
 
 libqsecmn_la_LDFLAGS = -L$(libdir) -version-info 1:0:0 -no-undefined
-@WIN32_TRUE@libqsecmn_la_LIBADD = -lpsapi
 @ENABLE_CXX_TRUE@libqsecmnxx_la_SOURCES = \
 @ENABLE_CXX_TRUE@	Mmgr.cpp StdMmgr.cpp
 
diff --git a/qse/lib/cmn/fio.c b/qse/lib/cmn/fio.c
index 4a91b417..9cad2829 100644
--- a/qse/lib/cmn/fio.c
+++ b/qse/lib/cmn/fio.c
@@ -28,7 +28,7 @@
 
 #if defined(_WIN32)
 #	include <windows.h>
-#	include <psapi.h> /* for GetMappedFileName() */
+/*#	include <psapi.h>*/ /* for GetMappedFileName(). but dynamically loaded */
 #	include <tchar.h>
 #elif defined(__OS2__)
 #	define INCL_DOSFILEMGR
@@ -41,6 +41,12 @@
 #	include "syscall.h"
 #endif
 
+/* internal status codes */
+enum
+{
+	STATUS_APPEND  = (1 << 0),
+	STATUS_NOCLOSE = (1 << 1)	
+};
 
 QSE_IMPLEMENT_COMMON_FUNCTIONS (fio)
 
@@ -188,21 +194,35 @@ int qse_fio_init (
 	qse_char_t* temp_ptr;
 	qse_size_t temp_tries;
 
+#if defined(_WIN32)
+	int fellback = 0;
+#endif
+
 	QSE_MEMSET (fio, 0, QSE_SIZEOF(*fio));
 	fio->mmgr = mmgr;
 
-	/* Store the flags for later use though only OS/2 needs
-	 * this at this moment */
-	fio->flags = flags;
+	if (!(flags & (QSE_FIO_READ | QSE_FIO_WRITE | QSE_FIO_APPEND | QSE_FIO_HANDLE)))
+	{
+		/* one of QSE_FIO_READ, QSE_FIO_WRITE, QSE_FIO_APPEND, 
+		 * and QSE_FIO_HANDLE must be specified */
+		fio->errnum = QSE_FIO_EINVAL;
+		return -1;
+	}
+
+	/* Store some flags for later use */
+	if (flags & QSE_FIO_NOCLOSE) 
+		fio->status |= STATUS_NOCLOSE;
 
 	if (flags & QSE_FIO_TEMPORARY)
 	{
 		qse_ntime_t now;
 
-		QSE_ASSERTX (
-			(flags & QSE_FIO_HANDLE) == 0, 
-			"QSE_FIO_TEMPORARY and QSE_FIO_HANDLE are mutually exclusive"
-		);
+		if (flags & QSE_FIO_HANDLE)
+		{
+			/* QSE_FIO_TEMPORARY and QSE_FIO_HANDLE are mutually exclusive */
+			fio->errnum = QSE_FIO_EINVAL;
+			return -1;
+		}
 
 		temp_no = 0;
 		/* if QSE_FIO_TEMPORARY is used, the path name must 
@@ -258,6 +278,10 @@ int qse_fio_init (
 	if (flags & QSE_FIO_HANDLE)
 	{
 		handle = *(qse_fio_hnd_t*)path;
+		QSE_ASSERTX (
+			handle != INVALID_HANDLE_VALUE,
+			"Do not specify an invalid handle value"
+		);
 	}
 	else
 	{
@@ -266,11 +290,21 @@ int qse_fio_init (
 		DWORD creation_disposition = 0;
 		DWORD flag_and_attr = FILE_ATTRIBUTE_NORMAL;
 
+		if (fellback) share_mode &= ~FILE_SHARE_DELETE;
+
 		if (flags & QSE_FIO_APPEND)
 		{
-			/* this is not officially documented for CreateFile.
-			 * ZwCreateFile (kernel) seems to document it */
-			desired_access |= FILE_APPEND_DATA;
+			if (fellback)
+			{
+				desired_access |= GENERIC_WRITE;
+			}
+			else
+			{
+				/* this is not officially documented for CreateFile.
+				 * ZwCreateFile (kernel) seems to document it */
+				fio->status &= ~STATUS_APPEND;
+				desired_access |= FILE_APPEND_DATA;
+			}
 		}
 		else if (flags & QSE_FIO_WRITE)
 		{
@@ -318,12 +352,44 @@ int qse_fio_init (
 			QSE_NULL, /* set noinherit by setting no secattr */
 			creation_disposition, flag_and_attr, 0
 		);
-	}
-	if (handle == INVALID_HANDLE_VALUE) 
-	{
-		if (flags & QSE_FIO_TEMPORARY) goto retry_temporary;
-		fio->errnum = syserr_to_errnum(GetLastError());
-		return -1;
+		if (handle == INVALID_HANDLE_VALUE) 
+		{
+			DWORD e = GetLastError();	
+			if (!fellback && e == ERROR_INVALID_PARAMETER && 
+			    ((share_mode & FILE_SHARE_DELETE) || (flags & QSE_FIO_APPEND)))
+			{
+				/* old windows fails with ERROR_INVALID_PARAMETER
+				 * when some advanced flags are used. so try again
+				 * with fallback flags */
+				fellback = 1;
+
+				share_mode &= ~FILE_SHARE_DELETE;
+				if (flags & QSE_FIO_APPEND)
+				{
+					fio->status |= STATUS_APPEND;
+					desired_access &= ~FILE_APPEND_DATA;
+					desired_access |= GENERIC_WRITE;
+				}
+			
+				handle = CreateFile (
+					path, desired_access, share_mode, 
+					QSE_NULL, /* set noinherit by setting no secattr */
+					creation_disposition, flag_and_attr, 0
+				);
+				if (handle == INVALID_HANDLE_VALUE) 
+				{
+					if (flags & QSE_FIO_TEMPORARY) goto retry_temporary;
+					fio->errnum = syserr_to_errnum(GetLastError());
+					return -1;
+				}
+			}
+			else
+			{
+				if (flags & QSE_FIO_TEMPORARY) goto retry_temporary;
+				fio->errnum = syserr_to_errnum(e);
+				return -1;
+			}
+		}
 	}
 
 	/* some special check */
@@ -383,6 +449,9 @@ int qse_fio_init (
 		zero.ulLo = 0;
 		zero.ulHi = 0;
 
+		if (flags & QSE_FIO_APPEND) 
+			fio->stats |= STATUS_APPEND;
+
 		if (flags & QSE_FIO_CREATE)
 		{
 			if (flags & QSE_FIO_EXCLUSIVE)
@@ -463,6 +532,10 @@ int qse_fio_init (
 	if (flags & QSE_FIO_HANDLE)
 	{
 		handle = *(qse_fio_hnd_t*)path;
+		QSE_ASSERTX (
+			handle >= 0,
+			"Do not specify an invalid handle value"
+		);
 	}
 	else
 	{
@@ -544,6 +617,10 @@ int qse_fio_init (
 	if (flags & QSE_FIO_HANDLE)
 	{
 		handle = *(qse_fio_hnd_t*)path;
+		QSE_ASSERTX (
+			handle >= 0,
+			"Do not specify an invalid handle value"
+		);
 	}
 	else
 	{
@@ -620,25 +697,23 @@ int qse_fio_init (
 	#else
 		if (path_mb != path_mb_buf) QSE_MMGR_FREE (mmgr, path_mb);
 	#endif
+		if (handle == -1) 
+		{
+			if (flags & QSE_FIO_TEMPORARY) goto retry_temporary;
+			fio->errnum = syserr_to_errnum (errno);
+			return -1;
+		}
+
+		/* set some file access hints */
+		#if defined(POSIX_FADV_RANDOM)
+		if (flags & QSE_FIO_RANDOM) 
+			posix_fadvise (handle, 0, 0, POSIX_FADV_RANDOM);
+		#endif
+		#if defined(POSIX_FADV_SEQUENTIAL)
+		if (flags & QSE_FIO_SEQUENTIAL) 
+			posix_fadvise (handle, 0, 0, POSIX_FADV_SEQUENTIAL);
+		#endif
 	}
-
-	if (handle == -1) 
-	{
-		if (flags & QSE_FIO_TEMPORARY) goto retry_temporary;
-		fio->errnum = syserr_to_errnum (errno);
-		return -1;
-	}
-
-	/* set some file access hints */
-	#if defined(POSIX_FADV_RANDOM)
-	if (flags & QSE_FIO_RANDOM) 
-		posix_fadvise (handle, 0, 0, POSIX_FADV_RANDOM);
-	#endif
-	#if defined(POSIX_FADV_SEQUENTIAL)
-	if (flags & QSE_FIO_SEQUENTIAL) 
-		posix_fadvise (handle, 0, 0, POSIX_FADV_SEQUENTIAL);
-	#endif
-
 #endif
 
 	fio->handle = handle;
@@ -647,7 +722,7 @@ int qse_fio_init (
 
 void qse_fio_fini (qse_fio_t* fio)
 {
-	if (!(fio->flags & QSE_FIO_NOCLOSE))
+	if (!(fio->status & STATUS_NOCLOSE))
 	{
 #if defined(_WIN32)
 		CloseHandle (fio->handle);
@@ -701,7 +776,7 @@ qse_fio_off_t qse_fio_seek (
 	QSE_ASSERT (QSE_SIZEOF(offset) <= QSE_SIZEOF(x.QuadPart));
 
 	/* SetFilePointerEx is not available on Windows NT 4.
-	 * So let's use SetFilePointerEx */
+	 * So let's use SetFilePointer */
 #if 0
 	x.QuadPart = offset;
 	if (SetFilePointerEx (fio->handle, x, &y, seek_map[origin]) == FALSE)
@@ -887,6 +962,14 @@ qse_ssize_t qse_fio_write (qse_fio_t* fio, const void* data, qse_size_t size)
 #if defined(_WIN32)
 
 	DWORD count;
+
+   	if (fio->status & STATUS_APPEND)
+	{
+/* TODO: only when FILE_APPEND_DATA failed???  how do i know this??? */
+		/* i do this on a best-effort basis */
+    		SetFilePointer (fio->handle, 0, QSE_NULL, FILE_END);
+    	}
+
 	if (size > (QSE_TYPE_MAX(qse_ssize_t) & QSE_TYPE_MAX(DWORD))) 
 		size = QSE_TYPE_MAX(qse_ssize_t) & QSE_TYPE_MAX(DWORD);
 	if (WriteFile (fio->handle,
@@ -902,7 +985,7 @@ qse_ssize_t qse_fio_write (qse_fio_t* fio, const void* data, qse_size_t size)
 	APIRET ret;
 	ULONG count;
 
-   	if (fio->flags & QSE_FIO_APPEND)
+   	if (fio->status & STATUS_APPEND)
 	{
 		/* i do this on a best-effort basis */
 		LONGLONG pos, newpos;
@@ -950,6 +1033,36 @@ static int get_devname_from_handle (
 	HANDLE map = NULL;
 	void* mem = NULL;
 	DWORD olen;
+	HINSTANCE psapi;
+
+	typedef DWORD (WINAPI*getmappedfilename_t) (
+		HANDLE hProcess,
+		LPVOID lpv,
+		LPTSTR lpFilename,
+		DWORD nSize
+	);
+	getmappedfilename_t getmappedfilename;
+
+	/* try to load psapi.dll dynamially for 
+	 * systems without it. direct linking to the library
+	 * may end up with dependency failure on such systems. 
+	 * this way, the worst case is that this function simply 
+	 * fails. */
+	psapi = LoadLibrary (QSE_T("PSAPI.DLL"));
+	if (!psapi)
+	{
+		fio->errnum = syserr_to_errnum (GetLastError());
+		return -1;
+	}
+
+	getmappedfilename = (getmappedfilename_t) 
+		GetProcAddress (psapi, QSE_T("GetMappedFileName"));
+	if (!getmappedfilename)
+	{
+		fio->errnum = syserr_to_errnum (GetLastError());
+		FreeLibrary (psapi);
+		return -1;
+	}
 
 	/* create a file mapping object */
 	map = CreateFileMapping (
@@ -962,7 +1075,8 @@ static int get_devname_from_handle (
 	);
 	if (map == NULL) 
 	{
-		mem = MapViewOfFile (map, FILE_MAP_READ, 0, 0, 1);
+		fio->errnum = syserr_to_errnum (GetLastError());
+		FreeLibrary (psapi);
 		return -1;
 	}	
 
@@ -972,20 +1086,23 @@ static int get_devname_from_handle (
 	{
 		fio->errnum = syserr_to_errnum (GetLastError());
 		CloseHandle (map);
+		FreeLibrary (psapi);
 		return -1;
 	}
 
-	olen = GetMappedFileName (GetCurrentProcess(), mem, buf, len); 
+	olen = getmappedfilename (GetCurrentProcess(), mem, buf, len); 
 	if (olen == 0)
 	{
 		fio->errnum = syserr_to_errnum (GetLastError());
 		UnmapViewOfFile (mem);
 		CloseHandle (map);
+		FreeLibrary (psapi);
 		return -1;
 	}
 
 	UnmapViewOfFile (mem);
 	CloseHandle (map);
+	FreeLibrary (psapi);
 	return 0;
 }
 
diff --git a/qse/lib/cmn/main.c b/qse/lib/cmn/main.c
index 8f2fd5ec..68d7405f 100644
--- a/qse/lib/cmn/main.c
+++ b/qse/lib/cmn/main.c
@@ -27,9 +27,9 @@ int qse_runmain (
 {
 #if (defined(QSE_ACHAR_IS_MCHAR) && defined(QSE_CHAR_IS_MCHAR)) || \
     (defined(QSE_ACHAR_IS_WCHAR) && defined(QSE_CHAR_IS_WCHAR))
-	{
-		return handler (argc, (qse_char_t**)argv);
-	}
+
+	return handler (argc, (qse_char_t**)argv);
+
 #else
 	{
 		int i, ret;
diff --git a/qse/lib/cmn/pio.c b/qse/lib/cmn/pio.c
index 8eb96d34..58f0a719 100644
--- a/qse/lib/cmn/pio.c
+++ b/qse/lib/cmn/pio.c
@@ -221,7 +221,7 @@ struct param_t
 	qse_mchar_t** argv;
 
 #if defined(QSE_CHAR_IS_MCHAR)
-	/* nothign extra */
+	/* nothing extra */
 #else
 	qse_mchar_t fixed_mbuf[64];
 #endif
@@ -528,6 +528,9 @@ int qse_pio_init (
 	PROCESS_INFORMATION procinfo;
 	STARTUPINFO startup;
 	HANDLE windevnul = INVALID_HANDLE_VALUE;
+	BOOL apiret;
+	qse_char_t* dupcmd;
+	int create_retried;
 
 #elif defined(__OS2__)
 	APIRET rc;
@@ -549,7 +552,7 @@ int qse_pio_init (
 #elif defined(HAVE_POSIX_SPAWN)
 	posix_spawn_file_actions_t fa;
 	int fa_inited = 0;
-	int spawn_ret;
+	int pserr;
 	qse_pio_pid_t pid;
 	param_t param;
 	extern char** environ;
@@ -581,8 +584,14 @@ int qse_pio_init (
 		/* don't inherit write handle */
 		if (SetHandleInformation (handle[1], HANDLE_FLAG_INHERIT, 0) == FALSE) 
 		{
-			pio->errnum = syserr_to_errnum (GetLastError());
-			goto oops;
+			DWORD e = GetLastError();
+			if (e != ERROR_CALL_NOT_IMPLEMENTED)
+			{
+				/* SetHandleInformation() is not implemented on win9x.
+				 * so let's care only if it is implemented */
+				pio->errnum = syserr_to_errnum (e);
+				goto oops;
+			}
 		}
 
 		minidx = 0; maxidx = 1;
@@ -600,8 +609,14 @@ int qse_pio_init (
 		/* don't inherit read handle */
 		if (SetHandleInformation (handle[2], HANDLE_FLAG_INHERIT, 0) == FALSE) 
 		{
-			pio->errnum = syserr_to_errnum (GetLastError());
-			goto oops;
+			DWORD e = GetLastError();
+			if (e != ERROR_CALL_NOT_IMPLEMENTED)
+			{
+				/* SetHandleInformation() is not implemented on win9x.
+				 * so let's care only if it is implemented */
+				pio->errnum = syserr_to_errnum (e);
+				goto oops;
+			}
 		}
 
 		if (minidx == -1) minidx = 2;
@@ -620,8 +635,14 @@ int qse_pio_init (
 		/* don't inherit read handle */
 		if (SetHandleInformation (handle[4], HANDLE_FLAG_INHERIT, 0) == FALSE)
 		{
-			pio->errnum = syserr_to_errnum (GetLastError());
-			goto oops;
+			DWORD e = GetLastError();
+			if (e != ERROR_CALL_NOT_IMPLEMENTED)
+			{
+				/* SetHandleInformation() is not implemented on win9x.
+				 * so let's care only if it is implemented */
+				pio->errnum = syserr_to_errnum (e);
+				goto oops;
+			}
 		}
 
 		if (minidx == -1) minidx = 4;
@@ -664,12 +685,18 @@ int qse_pio_init (
 	startup.hStdInput = GetStdHandle (STD_INPUT_HANDLE);
 	startup.hStdOutput = GetStdHandle (STD_OUTPUT_HANDLE);
 	startup.hStdOutput = GetStdHandle (STD_ERROR_HANDLE);
-
 	if (startup.hStdInput == INVALID_HANDLE_VALUE ||
 	    startup.hStdOutput == INVALID_HANDLE_VALUE ||
-	    startup.hStdError == INVALID_HANDLE_VALUE) goto oops;
+	    startup.hStdError == INVALID_HANDLE_VALUE) 
+	{
+		pio->errnum = syserr_to_errnum (GetLastError());
+		goto oops;
+	}
 
-	if (flags & QSE_PIO_WRITEIN) startup.hStdInput = handle[0];
+	if (flags & QSE_PIO_WRITEIN) 
+	{
+		startup.hStdInput = handle[0];
+	}
 
 	if (flags & QSE_PIO_READOUT)
 	{
@@ -696,72 +723,95 @@ int qse_pio_init (
 	/* there is nothing to do for QSE_PIO_SHELL as CreateProcess
 	 * takes the entire command line */
 
+	create_retried = 0;
+
+create_process:	
+	if (flags & QSE_PIO_SHELL) 
 	{
-		qse_char_t* dupcmd;
-		BOOL x;
+		static const qse_char_t* cmdname[] =
+		{
+			QSE_T("cmd.exe /c "),
+			QSE_T("command.com /c ")
+		};
+		static const qse_mchar_t* mcmdname[] =
+		{
+			QSE_MT("cmd.exe /c "),
+			QSE_MT("command.com /c ")
+		};
 
-		if (flags & QSE_PIO_SHELL) 
+	#if defined(QSE_CHAR_IS_WCHAR)
+		if (flags & QSE_PIO_MBSCMD)
 		{
-		#if defined(QSE_CHAR_IS_WCHAR)
-			if (flags & QSE_PIO_MBSCMD)
-			{
-				const qse_mchar_t* x[3];
-				x[0] = QSE_MT("cmd.exe /c ");
-				x[1] = (const qse_mchar_t*)cmd;
-				x[2] = QSE_NULL;
-				dupcmd = qse_mbsatowcsdup (x, mmgr);
-			}
-			else
-			{
-		#endif
-				dupcmd = qse_strdup2 (QSE_T("cmd.exe /c "), cmd, mmgr);
-		#if defined(QSE_CHAR_IS_WCHAR)
-			}
-		#endif
+			const qse_mchar_t* x[3];
+			x[0] = mcmdname[create_retried];
+			x[1] = (const qse_mchar_t*)cmd;
+			x[2] = QSE_NULL;
+			dupcmd = qse_mbsatowcsdup (x, mmgr);
 		}
-		else 
+		else
 		{
-		#if defined(QSE_CHAR_IS_WCHAR)
-			if (flags & QSE_PIO_MBSCMD)
-			{
-				dupcmd = qse_mbstowcsdup ((const qse_mchar_t*)cmd, mmgr);
-			}
-			else
-			{
-		#endif
-				/* CreateProcess requires command buffer to be read-write. */
-				dupcmd = qse_strdup (cmd, mmgr);
-		#if defined(QSE_CHAR_IS_WCHAR)
-			}
-		#endif
+	#endif
+			dupcmd = qse_strdup2 (cmdname[create_retried], cmd, mmgr);
+	#if defined(QSE_CHAR_IS_WCHAR)
+		}
+	#endif
+	}
+	else 
+	{
+	#if defined(QSE_CHAR_IS_WCHAR)
+		if (flags & QSE_PIO_MBSCMD)
+		{
+			dupcmd = qse_mbstowcsdup ((const qse_mchar_t*)cmd, mmgr);
+		}
+		else
+		{
+	#endif
+			/* CreateProcess requires command buffer to be read-write. */
+			dupcmd = qse_strdup (cmd, mmgr);
+	#if defined(QSE_CHAR_IS_WCHAR)
+		}
+	#endif
+	}
+
+	if (dupcmd == QSE_NULL)
+	{
+		pio->errnum = QSE_PIO_ENOMEM;
+		goto oops;
+	}
+
+	apiret = CreateProcess (
+		QSE_NULL,  /* LPCTSTR lpApplicationName */
+		dupcmd,    /* LPTSTR lpCommandLine */
+		QSE_NULL,  /* LPSECURITY_ATTRIBUTES lpProcessAttributes */
+		QSE_NULL,  /* LPSECURITY_ATTRIBUTES lpThreadAttributes */
+		TRUE,      /* BOOL bInheritHandles */
+	#ifdef QSE_CHAR_IS_MCHAR
+		0,         /* DWORD dwCreationFlags */
+	#else
+		CREATE_UNICODE_ENVIRONMENT, /* DWORD dwCreationFlags */
+	#endif
+		(env? qse_env_getstr(env): QSE_NULL), /* LPVOID lpEnvironment */
+		QSE_NULL, /* LPCTSTR lpCurrentDirectory */
+		&startup, /* LPSTARTUPINFO lpStartupInfo */
+		&procinfo /* LPPROCESS_INFORMATION lpProcessInformation */
+	);
+
+	QSE_MMGR_FREE (mmgr, dupcmd); 
+	if (apiret == FALSE) 
+	{
+		DWORD e = GetLastError();
+		if (create_retried == 0 && (flags & QSE_PIO_SHELL) && 
+		    e == ERROR_FILE_NOT_FOUND)
+		{
+			/* if it failed to exeucte cmd.exe, 
+			 * attempt to execute command.com.
+			 * this is provision for old windows platforms */
+			create_retried = 1;
+			goto create_process;
 		}
 
-		if (dupcmd == QSE_NULL)
-		{
-			pio->errnum = QSE_PIO_ENOMEM;
-			goto oops;
-		}
-
-		x = CreateProcess (
-			QSE_NULL,  /* LPCTSTR lpApplicationName */
-			dupcmd,    /* LPTSTR lpCommandLine */
-			QSE_NULL,  /* LPSECURITY_ATTRIBUTES lpProcessAttributes */
-			QSE_NULL,  /* LPSECURITY_ATTRIBUTES lpThreadAttributes */
-			TRUE,      /* BOOL bInheritHandles */
-		#ifdef QSE_CHAR_IS_MCHAR
-			0,         /* DWORD dwCreationFlags */
-		#else
-			CREATE_UNICODE_ENVIRONMENT, /* DWORD dwCreationFlags */
-		#endif
-			(env? qse_env_getstr(env): QSE_NULL), /* LPVOID lpEnvironment */
-			QSE_NULL, /* LPCTSTR lpCurrentDirectory */
-			&startup, /* LPSTARTUPINFO lpStartupInfo */
-			&procinfo /* LPPROCESS_INFORMATION lpProcessInformation */
-		);
-
-		QSE_MMGR_FREE (mmgr, dupcmd); 
-		if (x == FALSE) 
-			pio->errnum = syserr_to_errnum (GetLastError());
+		pio->errnum = syserr_to_errnum (e);
+		goto oops;
 	}
 
 	if (windevnul != INVALID_HANDLE_VALUE)
@@ -1124,6 +1174,7 @@ int qse_pio_init (
 #elif defined(__DOS__)
 		
 	/* DOS not multi-processed. can't support pio */
+	pio->errnum = QSE_PIO_ENOIMPL;
 	return -1;
 
 #elif defined(HAVE_POSIX_SPAWN)
@@ -1165,35 +1216,83 @@ int qse_pio_init (
 		goto oops;
 	}
 
-	if (posix_spawn_file_actions_init (&fa) != 0) goto oops;
+	if ((pserr = posix_spawn_file_actions_init (&fa)) != 0) 
+	{
+		pio->errnum = syserr_to_errnum (pserr);
+		goto oops;
+	}
 	fa_inited = 1;
 
 	if (flags & QSE_PIO_WRITEIN)
 	{
 		/* child should read */
-		if (posix_spawn_file_actions_addclose (&fa, handle[1]) != 0) goto oops;
-		if (posix_spawn_file_actions_adddup2 (&fa, handle[0], 0) != 0) goto oops;
-		if (posix_spawn_file_actions_addclose (&fa, handle[0]) != 0) goto oops;
+		if ((pserr = posix_spawn_file_actions_addclose (&fa, handle[1])) != 0) 
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
+		if ((pserr = posix_spawn_file_actions_adddup2 (&fa, handle[0]), 0) != 0)
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
+		if ((pserr = posix_spawn_file_actions_addclose (&fa, handle[0])) != 0) 
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
 	}
 
 	if (flags & QSE_PIO_READOUT)
 	{
 		/* child should write */
-		if (posix_spawn_file_actions_addclose (&fa, handle[2]) != 0) goto oops;
-		if (posix_spawn_file_actions_adddup2 (&fa, handle[3], 1) != 0) goto oops;
+		if ((pserr = posix_spawn_file_actions_addclose (&fa, handle[2])) != 0)
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
+		if ((pserr = posix_spawn_file_actions_adddup2 (&fa, handle[3], 1)) != 0)
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
 		if ((flags & QSE_PIO_ERRTOOUT) &&
-		    posix_spawn_file_actions_adddup2 (&fa, handle[3], 2) != 0) goto oops;
-		if (posix_spawn_file_actions_addclose (&fa, handle[3]) != 0) goto oops;
+		    (pserr = posix_spawn_file_actions_adddup2 (&fa, handle[3], 2)) != 0)
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
+		if ((pserr = posix_spawn_file_actions_addclose (&fa, handle[3])) != 0)
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
 	}
 
 	if (flags & QSE_PIO_READERR)
 	{
 		/* child should write */
-		if (posix_spawn_file_actions_addclose (&fa, handle[4]) != 0) goto oops;
-		if (posix_spawn_file_actions_adddup2 (&fa, handle[5], 2) != 0) goto oops;
+		if ((pserr = posix_spawn_file_actions_addclose (&fa, handle[4])) != 0)
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
+		if ((pserr = posix_spawn_file_actions_adddup2 (&fa, handle[5], 2)) != 0)
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
 		if ((flags & QSE_PIO_OUTTOERR) &&
-		    posix_spawn_file_actions_adddup2 (&fa, handle[5], 1) != 0) goto oops;
-		if (posix_spawn_file_actions_addclose (&fa, handle[5]) != 0) goto oops;
+		    (pserr = posix_spawn_file_actions_adddup2 (&fa, handle[5], 1)) != 0)
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
+		if ((pserr = posix_spawn_file_actions_addclose (&fa, handle[5])) != 0) 
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
 	}
 
 	{
@@ -1203,11 +1302,23 @@ int qse_pio_init (
 	#endif
 
 		if ((flags & QSE_PIO_INTONUL) &&
-		    posix_spawn_file_actions_addopen (&fa, 0, QSE_MT("/dev/null"), oflags, 0) != 0) goto oops;
+		    (pserr = posix_spawn_file_actions_addopen (&fa, 0, QSE_MT("/dev/null"), oflags, 0)) != 0)
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
 		if ((flags & QSE_PIO_OUTTONUL) &&
-		    posix_spawn_file_actions_addopen (&fa, 1, QSE_MT("/dev/null"), oflags, 0) != 0) goto oops;
+		    (pserr = posix_spawn_file_actions_addopen (&fa, 1, QSE_MT("/dev/null"), oflags, 0)) != 0)
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
 		if ((flags & QSE_PIO_ERRTONUL) &&
-		    posix_spawn_file_actions_addopen (&fa, 2, QSE_MT("/dev/null"), oflags, 0) != 0) goto oops;
+		    (pserr = posix_spawn_file_actions_addopen (&fa, 2, QSE_MT("/dev/null"), oflags, 0)) != 0)
+		{
+			pio->errnum = syserr_to_errnum (pserr);
+			goto oops;
+		}
 	}
 
 	/* there remains the chance of race condition that
@@ -1216,11 +1327,23 @@ int qse_pio_init (
 	 * just on the best-effort basis.
 	 */
 	if ((flags & QSE_PIO_DROPIN) && is_fd_valid(0) &&
-	    posix_spawn_file_actions_addclose (&fa, 0) != 0) goto oops;
+	    (pserr = posix_spawn_file_actions_addclose (&fa, 0)) != 0) 
+	{
+		pio->errnum = syserr_to_errnum (pserr);
+		goto oops;
+	}
 	if ((flags & QSE_PIO_DROPOUT) && is_fd_valid(1) &&
-	    posix_spawn_file_actions_addclose (&fa, 1) != 0) goto oops;
+	    (pserr = posix_spawn_file_actions_addclose (&fa, 1)) != 0) 
+	{
+		pio->errnum = syserr_to_errnum (pserr);
+		goto oops;
+	}
 	if ((flags & QSE_PIO_DROPERR) && is_fd_valid(2) &&
-	    posix_spawn_file_actions_addclose (&fa, 2) != 0) goto oops;
+	    (pserr = posix_spawn_file_actions_addclose (&fa, 2)) != 0)
+	{
+		pio->errnum = syserr_to_errnum (pserr);
+		goto oops;
+	}
 
 	if (!(flags & QSE_PIO_NOCLOEXEC))
 	{
@@ -1236,7 +1359,11 @@ int qse_pio_init (
 			 * with addclose() is closed before posix_spawn().
 			 * addclose() if no FD_CLOEXEC is set or it's unknown. */
 			if (is_fd_valid_and_nocloexec(fd) && 
-			    posix_spawn_file_actions_addclose (&fa, fd) != 0) goto oops;
+			    (pserr = posix_spawn_file_actions_addclose (&fa, fd)) != 0) 
+			{
+				pio->errnum = syserr_to_errnum (pserr);
+				goto oops;
+			}
 		}
 	}
 
@@ -1251,7 +1378,7 @@ int qse_pio_init (
 		goto oops;
 	}
 
-	spawn_ret = posix_spawn(
+	pserr = posix_spawn(
 		&pid, param.argv[0], &fa, QSE_NULL, param.argv,
 		(env? qse_env_getarr(env): environ));
 	free_param (pio, &param); 
@@ -1260,9 +1387,9 @@ int qse_pio_init (
 		posix_spawn_file_actions_destroy (&fa);
 		fa_inited = 0;
 	}
-	if (spawn_ret != 0) 
+	if (pserr != 0) 
 	{
-		pio->errnum = syserr_to_errnum (errno);
+		pio->errnum = syserr_to_errnum (pserr);
 		goto oops;
 	}
 
@@ -1287,20 +1414,32 @@ int qse_pio_init (
 
 	if (flags & QSE_PIO_WRITEIN)
 	{
-		if (QSE_PIPE(&handle[0]) <= -1) goto oops;
+		if (QSE_PIPE(&handle[0]) <= -1) 
+		{
+			pio->errnum = syserr_to_errnum (errno);
+			goto oops;
+		}
 		minidx = 0; maxidx = 1;
 	}
 
 	if (flags & QSE_PIO_READOUT)
 	{
-		if (QSE_PIPE(&handle[2]) <= -1) goto oops;
+		if (QSE_PIPE(&handle[2]) <= -1) 
+		{
+			pio->errnum = syserr_to_errnum (errno);
+			goto oops;
+		}
 		if (minidx == -1) minidx = 2;
 		maxidx = 3;
 	}
 
 	if (flags & QSE_PIO_READERR)
 	{
-		if (QSE_PIPE(&handle[4]) <= -1) goto oops;
+		if (QSE_PIPE(&handle[4]) <= -1) 
+		{
+			pio->errnum = syserr_to_errnum (errno);
+			goto oops;
+		}
 		if (minidx == -1) minidx = 4;
 		maxidx = 5;
 	}
@@ -1325,6 +1464,7 @@ int qse_pio_init (
 	pid = QSE_FORK();
 	if (pid <= -1) 
 	{
+		pio->errnum = QSE_PIO_EINVAL;
 		free_param (pio, &param);
 		goto oops;
 	}
@@ -1979,7 +2119,8 @@ int qse_pio_wait (qse_pio_t* pio)
 		child_rc.codeResult: (255 + 1 + child_rc.codeTerminate);
 
 #elif defined(__DOS__)
-	/* TOOD: implement this */
+
+	pio->errnum = QSE_PIO_ENOIMPL;
 	return -1;
 
 #else
@@ -2099,7 +2240,8 @@ int qse_pio_kill (qse_pio_t* pio)
 	return 0;	
 
 #elif defined(__DOS__)
-	/* TODO: implement this*/
+
+	pio->errnum = QSE_PIO_ENOIMPL;
 	return -1;
 
 #else
diff --git a/qse/lib/cmn/sio.c b/qse/lib/cmn/sio.c
index 09003b33..b9ff3a8f 100644
--- a/qse/lib/cmn/sio.c
+++ b/qse/lib/cmn/sio.c
@@ -43,7 +43,6 @@ static qse_ssize_t socket_output (
 
 static qse_sio_errnum_t fio_errnum_to_sio_errnum (qse_fio_t* fio)
 {
-/* TODO:  finish this after adding fio->errnum */
 	switch (fio->errnum)
 	{
 		case QSE_FIO_ENOMEM:
@@ -60,6 +59,8 @@ static qse_sio_errnum_t fio_errnum_to_sio_errnum (qse_fio_t* fio)
 			return QSE_SIO_EINTR;
 		case QSE_FIO_ESUBSYS:
 			return QSE_SIO_ESUBSYS;
+		case QSE_FIO_ENOIMPL:
+			return QSE_SIO_ENOIMPL;
 		default:
 			return QSE_SIO_EOTHER;
 	}
@@ -422,42 +423,43 @@ qse_ssize_t qse_sio_putwcs (qse_sio_t* sio, const qse_wchar_t* str)
 {
 	qse_ssize_t n;
 
-	sio->errnum = QSE_SIO_ENOERR;
-
 #if defined(_WIN32)
 	/* DAMN UGLY: See comment in qse_sio_putwcsn() */
 	if (sio->status)
 	{
 		DWORD mode;
 
-		if (GetConsoleMode (sio->u.file.handle, &mode) == FALSE)
-		{
-			n = qse_tio_writewcs (&sio->tio.io, str, (qse_size_t)-1);
-			if (n <= -1 && sio->errnum == QSE_SIO_ENOERR) 
-				sio->errnum = tio_errnum_to_sio_errnum (&sio->tio.io);
-			return n;
-		}
-		else
+		if (GetConsoleMode (sio->u.file.handle, &mode) == TRUE &&
+		    GetConsoleOutputCP() == CP_UTF8)
 		{
 			DWORD count, left;
 			const qse_wchar_t* cur;
+
 			if (qse_sio_flush (sio) <= -1) return -1; /* can't do buffering */
+
 			for (cur = str, left = qse_wcslen(str); left > 0; cur += count, left -= count)
 			{
 				if (WriteConsoleW (
 					sio->u.file.handle, cur, left,
 					&count, QSE_NULL) == FALSE) 
 				{
-					sio->errnum = QSE_SIO_EOTHER;
+					sio->errnum = QSE_SIO_ESUBSYS;
 					return -1;
 				}
 				if (count == 0) break;
+
+				if (count > left) 
+				{
+					sio->errnum = QSE_SIO_ESUBSYS;
+					return -1;
+				}
 			}
 			return cur - str;	
 		}
 	}
 #endif
 
+	sio->errnum = QSE_SIO_ENOERR;
 	n = qse_tio_writewcs (&sio->tio.io, str, (qse_size_t)-1);
 	if (n <= -1 && sio->errnum == QSE_SIO_ENOERR) 
 		sio->errnum = tio_errnum_to_sio_errnum (&sio->tio.io);
@@ -469,8 +471,6 @@ qse_ssize_t qse_sio_putwcsn (
 {
 	qse_ssize_t n;
 
-	sio->errnum = QSE_SIO_ENOERR;
-
 #if defined(_WIN32)
 	/* DAMN UGLY:
 	 *  WriteFile returns wrong number of bytes written if it is 
@@ -488,31 +488,46 @@ qse_ssize_t qse_sio_putwcsn (
 	{
 		DWORD mode;
 
-		if (GetConsoleMode (sio->u.file.handle, &mode) == FALSE)
-		{
-			n = qse_tio_writewcs (&sio->tio.io, str, size);
-			if (n <= -1 && sio->errnum == QSE_SIO_ENOERR) 
-				sio->errnum = tio_errnum_to_sio_errnum (&sio->tio.io);
-			return n;
-		}
-		else
+		if (GetConsoleMode (sio->u.file.handle, &mode) == TRUE &&
+		    GetConsoleOutputCP() == CP_UTF8)
 		{
 			DWORD count, left;
 			const qse_wchar_t* cur;
 	
 			if (qse_sio_flush (sio) <= -1) return -1; /* can't do buffering */
+
 			for (cur = str, left = size; left > 0; cur += count, left -= count)
 			{
 				if (WriteConsoleW (
 					sio->u.file.handle, cur, left, 
-					&count, QSE_NULL) == FALSE) return -1;
+					&count, QSE_NULL) == FALSE) 
+				{
+					sio->errnum = QSE_SIO_ESUBSYS;
+					return -1;
+				}
 				if (count == 0) break;
+
+				/* Note:
+				 * WriteConsoleW() in unicosw.dll on win 9x/me returns
+				 * the number of bytes via 'count'. If a double byte 
+				 * string is given, 'count' can be greater than 'left'.
+				 * this case is a miserable failure. however, i don't
+				 * think there is CP_UTF8 codepage for console on win9x/me.
+				 * so let me make this function fail if that ever happens.
+				 */
+				if (count > left) 
+				{
+					sio->errnum = QSE_SIO_ESUBSYS;
+					return -1;
+				}
 			}
 			return cur - str;
 		}
 	}	
+
 #endif
 
+	sio->errnum = QSE_SIO_ENOERR;
 	n = qse_tio_writewcs (&sio->tio.io, str, size);
 	if (n <= -1 && sio->errnum == QSE_SIO_ENOERR) 
 		sio->errnum = tio_errnum_to_sio_errnum (&sio->tio.io);
diff --git a/qse/lib/cmn/slmb.c b/qse/lib/cmn/slmb.c
index 30759f3b..35ff18dc 100644
--- a/qse/lib/cmn/slmb.c
+++ b/qse/lib/cmn/slmb.c
@@ -48,8 +48,10 @@ qse_size_t qse_slwcrtoslmb (
 #if defined(_WIN32)
 	int n;
 
+	/* CP_THREAD_ACP results in ERROR_INVALID_PARAMETER
+	 * on an old windows os like win95 */
 	n = WideCharToMultiByte (
-		CP_THREAD_ACP, 0 /*WC_ERR_INVALID_CHARS*/, 
+		CP_ACP/*CP_THREAD_ACP*/, 0 /*WC_ERR_INVALID_CHARS*/, 
 		&wc, 1, mb, mbl, NULL, NULL);
 	if (n == 0)
 	{
@@ -106,11 +108,11 @@ qse_size_t qse_slmbrtoslwc (
 	QSE_ASSERT (mb != QSE_NULL);
 	QSE_ASSERT (mbl > 0);
 
-	dbcslen = IsDBCSLeadByteEx(CP_THREAD_ACP, *mb)? 2: 1;
+	dbcslen = IsDBCSLeadByteEx(CP_ACP/*CP_THREAD_ACP*/, *mb)? 2: 1;
 	if (mbl < dbcslen) return mbl + 1; /* incomplete sequence */
 
 	n = MultiByteToWideChar (
-		CP_THREAD_ACP, MB_ERR_INVALID_CHARS, mb, dbcslen, wc, 1);
+		CP_ACP/*CP_THREAD_ACP*/, MB_ERR_INVALID_CHARS, mb, dbcslen, wc, 1);
 	if (n == 0) 
 	{
 		/*DWORD e = GetLastError();*/
@@ -184,7 +186,7 @@ qse_size_t qse_slmbrlen (
 	 * the actual sequence. So it can't actually detect an invalid 
 	 * sequence. Thus, qse_slmbrtowc() may return a different length
 	 * for an invalid sequence form qse_slmbrlen(). */
-	dbcslen = IsDBCSLeadByteEx(CP_THREAD_ACP, *mb)? 2: 1;
+	dbcslen = IsDBCSLeadByteEx(CP_ACP/*CP_THREAD_ACP*/, *mb)? 2: 1;
 	if (mbl < dbcslen) return mbl + 1; /* incomplete sequence */
 	return dbcslen;
 
diff --git a/qse/lib/cut/Makefile.in b/qse/lib/cut/Makefile.in
index ac54176c..9ecfaeda 100644
--- a/qse/lib/cut/Makefile.in
+++ b/qse/lib/cut/Makefile.in
@@ -204,6 +204,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/lib/net/Makefile.in b/qse/lib/net/Makefile.in
index 3058a702..8de866de 100644
--- a/qse/lib/net/Makefile.in
+++ b/qse/lib/net/Makefile.in
@@ -186,6 +186,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/lib/net/httpd_task.c b/qse/lib/net/httpd_task.c
index c22cad76..611af3a1 100644
--- a/qse/lib/net/httpd_task.c
+++ b/qse/lib/net/httpd_task.c
@@ -381,10 +381,10 @@ static qse_httpd_task_t* entask_error (
 
 	return qse_httpd_entaskformat (
 		httpd, client, task,
-		QSE_MT("HTTP/%d.%d %d %s\r\nConnection: %s\r\nContent-Type: text/html;charset=utf-8\r\nContent-Length: %d\r\n\r\n%s\r\n\r\n"), 
+		QSE_MT("HTTP/%d.%d %d %s\r\nConnection: %s\r\nContent-Type: text/html\r\nContent-Length: %lu\r\n\r\n%s\r\n\r\n"), 
 		version->major, version->minor, code, smsg,
 		(keepalive? QSE_MT("keep-alive"): QSE_MT("close")),
-		(int)qse_mbslen(lmsg) + 4, lmsg
+		(unsigned long)qse_mbslen(lmsg) + 4, lmsg
 	);
 }
 
@@ -415,12 +415,18 @@ qse_httpd_task_t* qse_httpd_entaskauth (
 	qse_httpd_t* httpd, qse_httpd_client_t* client, 
 	const qse_httpd_task_t* task, const qse_mchar_t* realm, qse_htre_t* req)
 {
-	const qse_http_version_t* version = qse_htre_getversion(req);
-/* TODO: */
+	const qse_http_version_t* version;
+	const qse_mchar_t* lmsg;
+
+	version = qse_htre_getversion(req);
+	lmsg = QSE_MT("<html><head><title>Unauthorized</title></head><body><b>UNAUTHORIZED<b></body></html>");
+
 	return qse_httpd_entaskformat (
 		httpd, client, task,
-		QSE_MT("HTTP/%d.%d 401 Unauthorized\r\nContent-Length: 0\r\nWWW-Authenticate: Digest realm=\"%s\", qop=\"auth\", nonce=\"%s\""),
-		version->major, version->minor);
+		QSE_MT("HTTP/%d.%d 401 Unauthorized\r\nConnection: %s\r\nWWW-Authenticate: Basic realm=\"%s\"\r\nContent-Type: text/html\r\nContent-Length: %lu\r\n\r\n%s\r\n\r\n"),
+		version->major, version->minor, 
+		(req->attr.keepalive? QSE_MT("keep-alive"): QSE_MT("close")),
+		realm, (unsigned long)qse_mbslen(lmsg) + 4, lmsg);
 }
 
 /*------------------------------------------------------------------------*/
@@ -816,7 +822,7 @@ static QSE_INLINE int task_main_path_dir (
 			{
 				x = qse_httpd_entaskformat (
 					httpd, client, x,
-    					QSE_MT("HTTP/%d.%d 200 OK\r\nConnection: keep-alive\r\nContent-Type: text/html;charset=utf-8\r\nTransfer-Encoding: chunked\r\n\r\n"), 
+    					QSE_MT("HTTP/%d.%d 200 OK\r\nConnection: keep-alive\r\nContent-Type: text/html\r\nTransfer-Encoding: chunked\r\n\r\n"), 
 					data->version.major, data->version.minor
 				);
 				if (x) x = qse_httpd_entaskdir (httpd, client, x, handle, data->keepalive);
@@ -825,7 +831,7 @@ static QSE_INLINE int task_main_path_dir (
 			{
 				x = qse_httpd_entaskformat (
 					httpd, client, x,
-    					QSE_MT("HTTP/%d.%d 200 OK\r\nConnection: close\r\nContent-Type: text/html;charset=utf-8\r\n\r\n"), 
+    					QSE_MT("HTTP/%d.%d 200 OK\r\nConnection: close\r\nContent-Type: text/html\r\n\r\n"), 
 					data->version.major, data->version.minor
 				);
 
diff --git a/qse/lib/sed/Makefile.in b/qse/lib/sed/Makefile.in
index 5e84275c..65917872 100644
--- a/qse/lib/sed/Makefile.in
+++ b/qse/lib/sed/Makefile.in
@@ -204,6 +204,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/lib/stx/Makefile.in b/qse/lib/stx/Makefile.in
index 18b7a56f..e171e4b4 100644
--- a/qse/lib/stx/Makefile.in
+++ b/qse/lib/stx/Makefile.in
@@ -186,6 +186,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/regress/Makefile.in b/qse/regress/Makefile.in
index 0d078c4b..f1b8e7a8 100644
--- a/qse/regress/Makefile.in
+++ b/qse/regress/Makefile.in
@@ -180,6 +180,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/regress/awk/Makefile.in b/qse/regress/awk/Makefile.in
index 0c1f536c..e11283ff 100644
--- a/qse/regress/awk/Makefile.in
+++ b/qse/regress/awk/Makefile.in
@@ -143,6 +143,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/regress/sed/Makefile.in b/qse/regress/sed/Makefile.in
index 22e7bbc2..6ef0c0bc 100644
--- a/qse/regress/sed/Makefile.in
+++ b/qse/regress/sed/Makefile.in
@@ -145,6 +145,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/samples/Makefile.in b/qse/samples/Makefile.in
index e194fb0c..707d3a5e 100644
--- a/qse/samples/Makefile.in
+++ b/qse/samples/Makefile.in
@@ -180,6 +180,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/qse/samples/awk/Makefile.am b/qse/samples/awk/Makefile.am
index 85f26cc4..6aed1cf7 100644
--- a/qse/samples/awk/Makefile.am
+++ b/qse/samples/awk/Makefile.am
@@ -10,6 +10,10 @@ bin_PROGRAMS = awk01 awk02 awk03 awk04 awk09 awk10
 LDFLAGS = -L../../lib/awk -L../../lib/cmn
 LDADD = -lqseawk -lqsecmn $(LIBM)
 
+if WIN32 
+LDADD += $(UNICOWS_LIBS)
+endif
+
 awk01_SOURCES = awk01.c
 awk02_SOURCES = awk02.c
 awk03_SOURCES = awk03.c
diff --git a/qse/samples/awk/Makefile.in b/qse/samples/awk/Makefile.in
index 8fbede5b..83dc8843 100644
--- a/qse/samples/awk/Makefile.in
+++ b/qse/samples/awk/Makefile.in
@@ -36,7 +36,8 @@ build_triplet = @build@
 host_triplet = @host@
 bin_PROGRAMS = awk01$(EXEEXT) awk02$(EXEEXT) awk03$(EXEEXT) \
 	awk04$(EXEEXT) awk09$(EXEEXT) awk10$(EXEEXT) $(am__EXEEXT_1)
-@ENABLE_CXX_TRUE@am__append_1 = awk05 awk06 awk07 awk08
+@WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
+@ENABLE_CXX_TRUE@am__append_2 = awk05 awk06 awk07 awk08
 subdir = samples/awk
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -59,48 +60,49 @@ am_awk01_OBJECTS = awk01.$(OBJEXT)
 awk01_OBJECTS = $(am_awk01_OBJECTS)
 awk01_LDADD = $(LDADD)
 am__DEPENDENCIES_1 =
-awk01_DEPENDENCIES = $(am__DEPENDENCIES_1)
+@WIN32_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+awk01_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
 am_awk02_OBJECTS = awk02.$(OBJEXT)
 awk02_OBJECTS = $(am_awk02_OBJECTS)
 awk02_LDADD = $(LDADD)
-awk02_DEPENDENCIES = $(am__DEPENDENCIES_1)
+awk02_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
 am_awk03_OBJECTS = awk03.$(OBJEXT)
 awk03_OBJECTS = $(am_awk03_OBJECTS)
 awk03_LDADD = $(LDADD)
-awk03_DEPENDENCIES = $(am__DEPENDENCIES_1)
+awk03_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
 am_awk04_OBJECTS = awk04.$(OBJEXT)
 awk04_OBJECTS = $(am_awk04_OBJECTS)
 awk04_LDADD = $(LDADD)
-awk04_DEPENDENCIES = $(am__DEPENDENCIES_1)
+awk04_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
 am__awk05_SOURCES_DIST = awk05.cpp
 @ENABLE_CXX_TRUE@am_awk05_OBJECTS = awk05.$(OBJEXT)
 awk05_OBJECTS = $(am_awk05_OBJECTS)
-am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+am__DEPENDENCIES_3 = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
 @ENABLE_CXX_TRUE@awk05_DEPENDENCIES = $(am__DEPENDENCIES_1) \
-@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_2)
+@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_3)
 am__awk06_SOURCES_DIST = awk06.cpp
 @ENABLE_CXX_TRUE@am_awk06_OBJECTS = awk06.$(OBJEXT)
 awk06_OBJECTS = $(am_awk06_OBJECTS)
 @ENABLE_CXX_TRUE@awk06_DEPENDENCIES = $(am__DEPENDENCIES_1) \
-@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_2)
+@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_3)
 am__awk07_SOURCES_DIST = awk07.cpp
 @ENABLE_CXX_TRUE@am_awk07_OBJECTS = awk07.$(OBJEXT)
 awk07_OBJECTS = $(am_awk07_OBJECTS)
 @ENABLE_CXX_TRUE@awk07_DEPENDENCIES = $(am__DEPENDENCIES_1) \
-@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_2)
+@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_3)
 am__awk08_SOURCES_DIST = awk08.cpp
 @ENABLE_CXX_TRUE@am_awk08_OBJECTS = awk08.$(OBJEXT)
 awk08_OBJECTS = $(am_awk08_OBJECTS)
 @ENABLE_CXX_TRUE@awk08_DEPENDENCIES = $(am__DEPENDENCIES_1) \
-@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_2)
+@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_3)
 am_awk09_OBJECTS = awk09.$(OBJEXT)
 awk09_OBJECTS = $(am_awk09_OBJECTS)
 awk09_LDADD = $(LDADD)
-awk09_DEPENDENCIES = $(am__DEPENDENCIES_1)
+awk09_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
 am_awk10_OBJECTS = awk10.$(OBJEXT)
 awk10_OBJECTS = $(am_awk10_OBJECTS)
 awk10_LDADD = $(LDADD)
-awk10_DEPENDENCIES = $(am__DEPENDENCIES_1)
+awk10_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
 DEFAULT_INCLUDES = 
 depcomp = $(SHELL) $(top_srcdir)/ac/depcomp
 am__depfiles_maybe = depfiles
@@ -224,6 +226,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -285,7 +288,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/include \
 	-I$(includedir)
 
-LDADD = -lqseawk -lqsecmn $(LIBM)
+LDADD = -lqseawk -lqsecmn $(LIBM) $(am__append_1)
 awk01_SOURCES = awk01.c
 awk02_SOURCES = awk02.c
 awk03_SOURCES = awk03.c
diff --git a/qse/samples/cmn/Makefile.am b/qse/samples/cmn/Makefile.am
index d9b55bad..0a54079c 100644
--- a/qse/samples/cmn/Makefile.am
+++ b/qse/samples/cmn/Makefile.am
@@ -41,6 +41,10 @@ bin_PROGRAMS = \
 LDFLAGS = -L../../lib/cmn 
 LDADD = -lqsecmn 
 
+if WIN32 
+LDADD += $(UNICOWS_LIBS)
+endif
+
 chr01_SOURCES = chr01.c
 env_SOURCES = env.c
 dll_SOURCES = dll.c
diff --git a/qse/samples/cmn/Makefile.in b/qse/samples/cmn/Makefile.in
index d396608a..52692852 100644
--- a/qse/samples/cmn/Makefile.in
+++ b/qse/samples/cmn/Makefile.in
@@ -42,6 +42,7 @@ bin_PROGRAMS = chr01$(EXEEXT) env$(EXEEXT) dll$(EXEEXT) fio01$(EXEEXT) \
 	rbt$(EXEEXT) sio01$(EXEEXT) sio02$(EXEEXT) sio03$(EXEEXT) \
 	sll$(EXEEXT) slmb01$(EXEEXT) str01$(EXEEXT) time$(EXEEXT) \
 	tre01$(EXEEXT) xma$(EXEEXT)
+@WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
 subdir = samples/cmn
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -61,123 +62,125 @@ PROGRAMS = $(bin_PROGRAMS)
 am_chr01_OBJECTS = chr01.$(OBJEXT)
 chr01_OBJECTS = $(am_chr01_OBJECTS)
 chr01_LDADD = $(LDADD)
-chr01_DEPENDENCIES =
+am__DEPENDENCIES_1 =
+@WIN32_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+chr01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_dll_OBJECTS = dll.$(OBJEXT)
 dll_OBJECTS = $(am_dll_OBJECTS)
 dll_LDADD = $(LDADD)
-dll_DEPENDENCIES =
+dll_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_env_OBJECTS = env.$(OBJEXT)
 env_OBJECTS = $(am_env_OBJECTS)
 env_LDADD = $(LDADD)
-env_DEPENDENCIES =
+env_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_fio01_OBJECTS = fio01.$(OBJEXT)
 fio01_OBJECTS = $(am_fio01_OBJECTS)
 fio01_LDADD = $(LDADD)
-fio01_DEPENDENCIES =
+fio01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_fio02_OBJECTS = fio02.$(OBJEXT)
 fio02_OBJECTS = $(am_fio02_OBJECTS)
 fio02_LDADD = $(LDADD)
-fio02_DEPENDENCIES =
+fio02_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_fma_OBJECTS = fma.$(OBJEXT)
 fma_OBJECTS = $(am_fma_OBJECTS)
 fma_LDADD = $(LDADD)
-fma_DEPENDENCIES =
+fma_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_fmt01_OBJECTS = fmt01.$(OBJEXT)
 fmt01_OBJECTS = $(am_fmt01_OBJECTS)
 fmt01_LDADD = $(LDADD)
-fmt01_DEPENDENCIES =
+fmt01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_fmt02_OBJECTS = fmt02.$(OBJEXT)
 fmt02_OBJECTS = $(am_fmt02_OBJECTS)
 fmt02_LDADD = $(LDADD)
-fmt02_DEPENDENCIES =
+fmt02_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_fs01_OBJECTS = fs01.$(OBJEXT)
 fs01_OBJECTS = $(am_fs01_OBJECTS)
 fs01_LDADD = $(LDADD)
-fs01_DEPENDENCIES =
+fs01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_htb_OBJECTS = htb.$(OBJEXT)
 htb_OBJECTS = $(am_htb_OBJECTS)
 htb_LDADD = $(LDADD)
-htb_DEPENDENCIES =
+htb_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_lda_OBJECTS = lda.$(OBJEXT)
 lda_OBJECTS = $(am_lda_OBJECTS)
 lda_LDADD = $(LDADD)
-lda_DEPENDENCIES =
+lda_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_main01_OBJECTS = main01.$(OBJEXT)
 main01_OBJECTS = $(am_main01_OBJECTS)
 main01_LDADD = $(LDADD)
-main01_DEPENDENCIES =
+main01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_main02_OBJECTS = main02.$(OBJEXT)
 main02_OBJECTS = $(am_main02_OBJECTS)
 main02_LDADD = $(LDADD)
-main02_DEPENDENCIES =
+main02_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_mbwc01_OBJECTS = mbwc01.$(OBJEXT)
 mbwc01_OBJECTS = $(am_mbwc01_OBJECTS)
 mbwc01_LDADD = $(LDADD)
-mbwc01_DEPENDENCIES =
+mbwc01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_mbwc02_OBJECTS = mbwc02.$(OBJEXT)
 mbwc02_OBJECTS = $(am_mbwc02_OBJECTS)
 mbwc02_LDADD = $(LDADD)
-mbwc02_DEPENDENCIES =
+mbwc02_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_oht_OBJECTS = oht.$(OBJEXT)
 oht_OBJECTS = $(am_oht_OBJECTS)
 oht_LDADD = $(LDADD)
-oht_DEPENDENCIES =
+oht_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_path01_OBJECTS = path01.$(OBJEXT)
 path01_OBJECTS = $(am_path01_OBJECTS)
 path01_LDADD = $(LDADD)
-path01_DEPENDENCIES =
+path01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_pio_OBJECTS = pio.$(OBJEXT)
 pio_OBJECTS = $(am_pio_OBJECTS)
 pio_LDADD = $(LDADD)
-pio_DEPENDENCIES =
+pio_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_pma_OBJECTS = pma.$(OBJEXT)
 pma_OBJECTS = $(am_pma_OBJECTS)
 pma_LDADD = $(LDADD)
-pma_DEPENDENCIES =
+pma_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_rbt_OBJECTS = rbt.$(OBJEXT)
 rbt_OBJECTS = $(am_rbt_OBJECTS)
 rbt_LDADD = $(LDADD)
-rbt_DEPENDENCIES =
+rbt_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_rex01_OBJECTS = rex01.$(OBJEXT)
 rex01_OBJECTS = $(am_rex01_OBJECTS)
 rex01_LDADD = $(LDADD)
-rex01_DEPENDENCIES =
+rex01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_sio01_OBJECTS = sio01.$(OBJEXT)
 sio01_OBJECTS = $(am_sio01_OBJECTS)
 sio01_LDADD = $(LDADD)
-sio01_DEPENDENCIES =
+sio01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_sio02_OBJECTS = sio02.$(OBJEXT)
 sio02_OBJECTS = $(am_sio02_OBJECTS)
 sio02_LDADD = $(LDADD)
-sio02_DEPENDENCIES =
+sio02_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_sio03_OBJECTS = sio03.$(OBJEXT)
 sio03_OBJECTS = $(am_sio03_OBJECTS)
 sio03_LDADD = $(LDADD)
-sio03_DEPENDENCIES =
+sio03_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_sll_OBJECTS = sll.$(OBJEXT)
 sll_OBJECTS = $(am_sll_OBJECTS)
 sll_LDADD = $(LDADD)
-sll_DEPENDENCIES =
+sll_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_slmb01_OBJECTS = slmb01.$(OBJEXT)
 slmb01_OBJECTS = $(am_slmb01_OBJECTS)
 slmb01_LDADD = $(LDADD)
-slmb01_DEPENDENCIES =
+slmb01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_str01_OBJECTS = str01.$(OBJEXT)
 str01_OBJECTS = $(am_str01_OBJECTS)
 str01_LDADD = $(LDADD)
-str01_DEPENDENCIES =
+str01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_time_OBJECTS = time.$(OBJEXT)
 time_OBJECTS = $(am_time_OBJECTS)
 time_LDADD = $(LDADD)
-time_DEPENDENCIES =
+time_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_tre01_OBJECTS = tre01.$(OBJEXT)
 tre01_OBJECTS = $(am_tre01_OBJECTS)
 tre01_LDADD = $(LDADD)
-tre01_DEPENDENCIES =
+tre01_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_xma_OBJECTS = xma.$(OBJEXT)
 xma_OBJECTS = $(am_xma_OBJECTS)
 xma_LDADD = $(LDADD)
-xma_DEPENDENCIES =
+xma_DEPENDENCIES = $(am__DEPENDENCIES_2)
 DEFAULT_INCLUDES = 
 depcomp = $(SHELL) $(top_srcdir)/ac/depcomp
 am__depfiles_maybe = depfiles
@@ -304,6 +307,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -365,7 +369,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/include \
 	-I$(includedir)
 
-LDADD = -lqsecmn 
+LDADD = -lqsecmn $(am__append_1)
 chr01_SOURCES = chr01.c
 env_SOURCES = env.c
 dll_SOURCES = dll.c
diff --git a/qse/samples/cmn/main01.c b/qse/samples/cmn/main01.c
index 341680f1..138f89bc 100644
--- a/qse/samples/cmn/main01.c
+++ b/qse/samples/cmn/main01.c
@@ -8,7 +8,6 @@
 #	include <windows.h>
 #endif
 
-
 static int test_main (int argc, qse_char_t* argv[])
 {
 	int i;
@@ -33,8 +32,8 @@ int qse_main (int argc, qse_achar_t* argv[])
 	}
 	else
 	{
-     	sprintf (locale, ".%u", (unsigned int)codepage);
-     	setlocale (LC_ALL, locale);
+		sprintf (locale, ".%u", (unsigned int)codepage);
+		setlocale (LC_ALL, locale);
 		qse_setdflcmgr (qse_slmbcmgr);
 	}
 #else
diff --git a/qse/samples/cmn/pio.c b/qse/samples/cmn/pio.c
index d8ee8e96..071702f7 100644
--- a/qse/samples/cmn/pio.c
+++ b/qse/samples/cmn/pio.c
@@ -25,19 +25,13 @@
 
 static int pio1 (const qse_char_t* cmd, qse_env_t* env, int oflags, qse_pio_hid_t rhid)
 {
-	qse_pio_t* pio;
+	qse_pio_t pio;
 	int x;
 
-	pio = qse_pio_open (
-		QSE_MMGR_GETDFL(),
-		0,
-		cmd,
-		env,
-		oflags
-	);
-	if (pio == QSE_NULL)
+	if (qse_pio_init (&pio, QSE_MMGR_GETDFL(), cmd, env, oflags) <= -1)
 	{
-		qse_printf (QSE_T("cannot open program through pipe\n"));
+		qse_printf (QSE_T("cannot open program through pipe - %d\n"), 
+			(int)qse_pio_geterrnum(&pio));
 		return -1;
 	}
 
@@ -46,14 +40,14 @@ static int pio1 (const qse_char_t* cmd, qse_env_t* env, int oflags, qse_pio_hid_
 		qse_byte_t buf[128];
 		qse_ssize_t i;
 
-		/*qse_pio_canread (pio, QSE_PIO_ERR, 1000)*/
-		qse_ssize_t n = qse_pio_read (pio, rhid, buf, QSE_SIZEOF(buf));
+		/*qse_pio_canread (&pio, QSE_PIO_ERR, 1000)*/
+		qse_ssize_t n = qse_pio_read (&pio, rhid, buf, QSE_SIZEOF(buf));
 		if (n == 0) break;
 		if (n <= -1)
 		{
 			qse_printf (
 				QSE_T("qse_pio_read() returned error - %d\n"),
-				(int)qse_pio_geterrnum(pio)
+				(int)qse_pio_geterrnum(&pio)
 			);
 			break;
 		}	
@@ -70,14 +64,14 @@ static int pio1 (const qse_char_t* cmd, qse_env_t* env, int oflags, qse_pio_hid_
 		qse_printf (QSE_T("]\n"));
 	}
 
-	x = qse_pio_wait (pio);
+	x = qse_pio_wait (&pio);
 	qse_printf (QSE_T("qse_pio_wait returns %d\n"), x);
 	if (x <= -1)
 	{
-		qse_printf (QSE_T("error code : %d\n"), (int)qse_pio_geterrnum(pio));
+		qse_printf (QSE_T("error code : %d\n"), (int)qse_pio_geterrnum(&pio));
 	}
 
-	qse_pio_close (pio);
+	qse_pio_fini (&pio);
 
 	return 0;
 }
diff --git a/qse/samples/cut/Makefile.am b/qse/samples/cut/Makefile.am
index 30676a9e..d73ed3aa 100644
--- a/qse/samples/cut/Makefile.am
+++ b/qse/samples/cut/Makefile.am
@@ -8,6 +8,10 @@ AM_CPPFLAGS = \
 LDFLAGS = -L../../lib/cmn -L../../lib/cut
 LDADD = -lqsecut -lqsecmn $(LIBM)
 
+if WIN32 
+LDADD += $(UNICOWS_LIBS)
+endif
+
 bin_PROGRAMS = cut01
 
 cut01_SOURCES = cut01.c
diff --git a/qse/samples/cut/Makefile.in b/qse/samples/cut/Makefile.in
index cf727e51..7ee604f2 100644
--- a/qse/samples/cut/Makefile.in
+++ b/qse/samples/cut/Makefile.in
@@ -34,6 +34,7 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
+@WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
 bin_PROGRAMS = cut01$(EXEEXT)
 subdir = samples/cut
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
@@ -54,8 +55,9 @@ PROGRAMS = $(bin_PROGRAMS)
 am_cut01_OBJECTS = cut01.$(OBJEXT)
 cut01_OBJECTS = $(am_cut01_OBJECTS)
 am__DEPENDENCIES_1 =
-am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
-cut01_DEPENDENCIES = $(am__DEPENDENCIES_2)
+@WIN32_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+am__DEPENDENCIES_3 = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
+cut01_DEPENDENCIES = $(am__DEPENDENCIES_3)
 DEFAULT_INCLUDES = 
 depcomp = $(SHELL) $(top_srcdir)/ac/depcomp
 am__depfiles_maybe = depfiles
@@ -164,6 +166,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -225,7 +228,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/include \
 	-I$(includedir)
 
-LDADD = -lqsecut -lqsecmn $(LIBM)
+LDADD = -lqsecut -lqsecmn $(LIBM) $(am__append_1)
 cut01_SOURCES = cut01.c
 cut01_LDADD = $(LDADD)
 all: all-am
diff --git a/qse/samples/fs/Makefile.am b/qse/samples/fs/Makefile.am
index dd17df47..cc575f51 100644
--- a/qse/samples/fs/Makefile.am
+++ b/qse/samples/fs/Makefile.am
@@ -11,5 +11,9 @@ bin_PROGRAMS = \
 LDFLAGS += -L../../lib/cmn -L../../lib/fs
 LDADD = -lqsefs -lqsecmn
 
+if WIN32 
+LDADD += $(UNICOWS_LIBS)
+endif
+
 dir01_SOURCES = dir01.c
 
diff --git a/qse/samples/net/Makefile.am b/qse/samples/net/Makefile.am
index b59ae0ae..31c2fd27 100644
--- a/qse/samples/net/Makefile.am
+++ b/qse/samples/net/Makefile.am
@@ -10,5 +10,9 @@ bin_PROGRAMS = http01
 LDFLAGS += -L../../lib/cmn -L../../lib/net 
 LDADD = -lqsenet -lqsecmn $(PTHREAD_LIBS) $(SOCKET_LIBS) $(SENDFILE_LIBS) -lssl
 
+if WIN32 
+LDADD += $(UNICOWS_LIBS)
+endif
+
 http01_SOURCES = http01.c
 
diff --git a/qse/samples/net/Makefile.in b/qse/samples/net/Makefile.in
index d0970107..b87271ae 100644
--- a/qse/samples/net/Makefile.in
+++ b/qse/samples/net/Makefile.in
@@ -35,6 +35,7 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 bin_PROGRAMS = http01$(EXEEXT)
+@WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
 subdir = samples/net
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -55,8 +56,9 @@ am_http01_OBJECTS = http01.$(OBJEXT)
 http01_OBJECTS = $(am_http01_OBJECTS)
 http01_LDADD = $(LDADD)
 am__DEPENDENCIES_1 =
+@WIN32_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
 http01_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
-	$(am__DEPENDENCIES_1)
+	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
 DEFAULT_INCLUDES = 
 depcomp = $(SHELL) $(top_srcdir)/ac/depcomp
 am__depfiles_maybe = depfiles
@@ -165,6 +167,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -226,7 +229,8 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/include \
 	-I$(includedir) 
 
-LDADD = -lqsenet -lqsecmn $(PTHREAD_LIBS) $(SOCKET_LIBS) $(SENDFILE_LIBS) -lssl
+LDADD = -lqsenet -lqsecmn $(PTHREAD_LIBS) $(SOCKET_LIBS) \
+	$(SENDFILE_LIBS) -lssl $(am__append_1)
 http01_SOURCES = http01.c
 all: all-am
 
diff --git a/qse/samples/net/http01.c b/qse/samples/net/http01.c
index 79a83a64..f6866c9f 100644
--- a/qse/samples/net/http01.c
+++ b/qse/samples/net/http01.c
@@ -584,9 +584,28 @@ qse_printf (QSE_T("Entasking chunked CGI...\n"));
 		{
 			if (peek)
 			{
-				/* nph-cgi */
-				task = qse_httpd_entasknph (
-					httpd, client, QSE_NULL, qpath, req);
+				const qse_mchar_t* auth;
+				int authorized = 0;
+
+				auth = qse_htre_getheaderval (req, QSE_MT("Authorization"));
+				if (auth)
+				{
+					/* TODO: PERFORM authorization... */	
+					/* BASE64 decode... */
+					authorized = 1;
+				}
+
+				if (authorized)
+				{
+					/* nph-cgi */
+					task = qse_httpd_entasknph (
+						httpd, client, QSE_NULL, qpath, req);
+				}
+				else
+				{
+					task = qse_httpd_entaskauth (
+						httpd, client, QSE_NULL, QSE_MT("Secure Area"), req);
+				}
 				if (task == QSE_NULL) goto oops;
 			}
 			return 0;
diff --git a/qse/samples/sed/Makefile.am b/qse/samples/sed/Makefile.am
index 9d9e5621..6ed37116 100644
--- a/qse/samples/sed/Makefile.am
+++ b/qse/samples/sed/Makefile.am
@@ -9,6 +9,10 @@ AM_CPPFLAGS = \
 LDFLAGS = -L../../lib/cmn -L../../lib/sed
 LDADD = -lqsesed -lqsecmn 
 
+if WIN32 
+LDADD += $(UNICOWS_LIBS)
+endif
+
 bin_PROGRAMS = sed01
 
 sed01_SOURCES = sed01.c
diff --git a/qse/samples/sed/Makefile.in b/qse/samples/sed/Makefile.in
index 0b0e3aff..bc62a387 100644
--- a/qse/samples/sed/Makefile.in
+++ b/qse/samples/sed/Makefile.in
@@ -34,8 +34,9 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
+@WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
 bin_PROGRAMS = sed01$(EXEEXT) $(am__EXEEXT_1)
-@ENABLE_CXX_TRUE@am__append_1 = sed02 sed03 
+@ENABLE_CXX_TRUE@am__append_2 = sed02 sed03 
 subdir = samples/sed
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -56,17 +57,19 @@ PROGRAMS = $(bin_PROGRAMS)
 am_sed01_OBJECTS = sed01.$(OBJEXT)
 sed01_OBJECTS = $(am_sed01_OBJECTS)
 am__DEPENDENCIES_1 =
-sed01_DEPENDENCIES = $(am__DEPENDENCIES_1)
+@WIN32_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+am__DEPENDENCIES_3 = $(am__DEPENDENCIES_2)
+sed01_DEPENDENCIES = $(am__DEPENDENCIES_3)
 am__sed02_SOURCES_DIST = sed02.cpp
 @ENABLE_CXX_TRUE@am_sed02_OBJECTS = sed02.$(OBJEXT)
 sed02_OBJECTS = $(am_sed02_OBJECTS)
 @ENABLE_CXX_TRUE@sed02_DEPENDENCIES = $(am__DEPENDENCIES_1) \
-@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_1)
+@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_3)
 am__sed03_SOURCES_DIST = sed03.cpp
 @ENABLE_CXX_TRUE@am_sed03_OBJECTS = sed03.$(OBJEXT)
 sed03_OBJECTS = $(am_sed03_OBJECTS)
 @ENABLE_CXX_TRUE@sed03_DEPENDENCIES = $(am__DEPENDENCIES_1) \
-@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_1)
+@ENABLE_CXX_TRUE@	$(am__DEPENDENCIES_3)
 DEFAULT_INCLUDES = 
 depcomp = $(SHELL) $(top_srcdir)/ac/depcomp
 am__depfiles_maybe = depfiles
@@ -185,6 +188,7 @@ SHELL = @SHELL@
 SOCKET_LIBS = @SOCKET_LIBS@
 STRIP = @STRIP@
 TRUE = @TRUE@
+UNICOWS_LIBS = @UNICOWS_LIBS@
 VERSION = @VERSION@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -246,7 +250,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/include \
 	-I$(includedir)
 
-LDADD = -lqsesed -lqsecmn 
+LDADD = -lqsesed -lqsecmn $(am__append_1)
 sed01_SOURCES = sed01.c
 sed01_LDADD = $(LDADD)
 @ENABLE_CXX_TRUE@CXXLIB = -lqsesedxx -lqsecmnxx