diff --git a/ase/configure b/ase/configure
index 30ef43da..32881c79 100755
--- a/ase/configure
+++ b/ase/configure
@@ -24663,9 +24663,9 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
-{ echo "$as_me:$LINENO: checking for void*" >&5
-echo $ECHO_N "checking for void*... $ECHO_C" >&6; }
-if test "${ac_cv_type_voidp+set}" = set; then
+{ echo "$as_me:$LINENO: checking for void *" >&5
+echo $ECHO_N "checking for void *... $ECHO_C" >&6; }
+if test "${ac_cv_type_void_p+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -24675,7 +24675,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-typedef void* ac__type_new_;
+typedef void * ac__type_new_;
 int
 main ()
 {
@@ -24704,26 +24704,26 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_type_voidp=yes
+  ac_cv_type_void_p=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_type_voidp=no
+	ac_cv_type_void_p=no
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_type_voidp" >&5
-echo "${ECHO_T}$ac_cv_type_voidp" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_type_void_p" >&5
+echo "${ECHO_T}$ac_cv_type_void_p" >&6; }
 
 # The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ echo "$as_me:$LINENO: checking size of void*" >&5
-echo $ECHO_N "checking size of void*... $ECHO_C" >&6; }
-if test "${ac_cv_sizeof_voidp+set}" = set; then
+{ echo "$as_me:$LINENO: checking size of void *" >&5
+echo $ECHO_N "checking size of void *... $ECHO_C" >&6; }
+if test "${ac_cv_sizeof_void_p+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test "$cross_compiling" = yes; then
@@ -24735,7 +24735,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef void* ac__type_sizeof_;
+   typedef void * ac__type_sizeof_;
 int
 main ()
 {
@@ -24772,7 +24772,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef void* ac__type_sizeof_;
+   typedef void * ac__type_sizeof_;
 int
 main ()
 {
@@ -24826,7 +24826,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef void* ac__type_sizeof_;
+   typedef void * ac__type_sizeof_;
 int
 main ()
 {
@@ -24863,7 +24863,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef void* ac__type_sizeof_;
+   typedef void * ac__type_sizeof_;
 int
 main ()
 {
@@ -24927,7 +24927,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef void* ac__type_sizeof_;
+   typedef void * ac__type_sizeof_;
 int
 main ()
 {
@@ -24966,15 +24966,15 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 done
 case $ac_lo in
-?*) ac_cv_sizeof_voidp=$ac_lo;;
-'') if test "$ac_cv_type_voidp" = yes; then
-     { { echo "$as_me:$LINENO: error: cannot compute sizeof (void*)
+?*) ac_cv_sizeof_void_p=$ac_lo;;
+'') if test "$ac_cv_type_void_p" = yes; then
+     { { echo "$as_me:$LINENO: error: cannot compute sizeof (void *)
 See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute sizeof (void*)
+echo "$as_me: error: cannot compute sizeof (void *)
 See \`config.log' for more details." >&2;}
    { (exit 77); exit 77; }; }
    else
-     ac_cv_sizeof_voidp=0
+     ac_cv_sizeof_void_p=0
    fi ;;
 esac
 else
@@ -24985,7 +24985,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef void* ac__type_sizeof_;
+   typedef void * ac__type_sizeof_;
 static long int longval () { return (long int) (sizeof (ac__type_sizeof_)); }
 static unsigned long int ulongval () { return (long int) (sizeof (ac__type_sizeof_)); }
 #include <stdio.h>
@@ -25037,34 +25037,34 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_sizeof_voidp=`cat conftest.val`
+  ac_cv_sizeof_void_p=`cat conftest.val`
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 ( exit $ac_status )
-if test "$ac_cv_type_voidp" = yes; then
-     { { echo "$as_me:$LINENO: error: cannot compute sizeof (void*)
+if test "$ac_cv_type_void_p" = yes; then
+     { { echo "$as_me:$LINENO: error: cannot compute sizeof (void *)
 See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute sizeof (void*)
+echo "$as_me: error: cannot compute sizeof (void *)
 See \`config.log' for more details." >&2;}
    { (exit 77); exit 77; }; }
    else
-     ac_cv_sizeof_voidp=0
+     ac_cv_sizeof_void_p=0
    fi
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
 rm -f conftest.val
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_sizeof_voidp" >&5
-echo "${ECHO_T}$ac_cv_sizeof_voidp" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_sizeof_void_p" >&5
+echo "${ECHO_T}$ac_cv_sizeof_void_p" >&6; }
 
 
 
 cat >>confdefs.h <<_ACEOF
-#define SIZEOF_VOIDP $ac_cv_sizeof_voidp
+#define SIZEOF_VOID_P $ac_cv_sizeof_void_p
 _ACEOF
 
 
@@ -26790,7 +26790,7 @@ else
   enable_wchar_is=yes
 fi
 
- "${ac_cv_sizeof_wchar_t}" = "0"  && enable_wchar_is=no
+test "${ac_cv_sizeof_wchar_t}" = "0" && enable_wchar_is=no
 if test "$enable_wchar_is" = "yes"
 then
 
diff --git a/ase/configure.ac b/ase/configure.ac
index cbc9a1aa..c2ef4a56 100644
--- a/ase/configure.ac
+++ b/ase/configure.ac
@@ -93,7 +93,8 @@ AC_CHECK_SIZEOF(__int16)
 AC_CHECK_SIZEOF(__int32)
 AC_CHECK_SIZEOF(__int64)
 AC_CHECK_SIZEOF(__int128)
-AC_CHECK_SIZEOF(void*)
+dnl AC_CHECK_SIZEOF doesn't work without white-space between void and *
+AC_CHECK_SIZEOF(void *)
 AC_CHECK_SIZEOF(float)
 AC_CHECK_SIZEOF(double)
 AC_CHECK_SIZEOF(long double)
@@ -124,7 +125,7 @@ AC_DEFINE_UNQUOTED(ASE_PKGAUTHOR,"${PACKAGE_BUGREPORT}", [author's email address
 AC_ARG_ENABLE([wchar], [AC_HELP_STRING([--enable-wchar],
 	[use wchar_t a default charater type when enabled (default. yes)])],
 	enable_wchar_is=$enableval,enable_wchar_is=yes)
-[ "${ac_cv_sizeof_wchar_t}" = "0" ] && enable_wchar_is=no
+test "${ac_cv_sizeof_wchar_t}" = "0" && enable_wchar_is=no
 if test "$enable_wchar_is" = "yes"
 then
 	AC_DEFINE([ASE_CHAR_IS_WCHAR],[],[char is wchar])
diff --git a/ase/include/ase/awk/awk.h b/ase/include/ase/awk/awk.h
index 30d784d9..f3af2fe0 100644
--- a/ase/include/ase/awk/awk.h
+++ b/ase/include/ase/awk/awk.h
@@ -1,5 +1,5 @@
 /*
- * $Id: awk.h 271 2008-07-20 12:42:39Z baconevi $
+ * $Id: awk.h 278 2008-07-21 03:49:09Z baconevi $
  *
  * {License}
  */
@@ -603,7 +603,9 @@ ase_awk_t* ase_awk_open (
 	/* memory manager */
 	ase_mmgr_t* mmgr,
 	/* size of extension area to allocate in bytes */
-	unsigned int extension
+	ase_size_t extension,
+	/* memory manager fuser */
+	ase_fuser_t mmgr_fuser
 );
 
 /* 
diff --git a/ase/include/ase/config.h.in b/ase/include/ase/config.h.in
index 81eaeb34..d766f29e 100644
--- a/ase/include/ase/config.h.in
+++ b/ase/include/ase/config.h.in
@@ -147,8 +147,8 @@
 /* The size of `short', as computed by sizeof. */
 #undef SIZEOF_SHORT
 
-/* The size of `void*', as computed by sizeof. */
-#undef SIZEOF_VOIDP
+/* The size of `void *', as computed by sizeof. */
+#undef SIZEOF_VOID_P
 
 /* The size of `wchar_t', as computed by sizeof. */
 #undef SIZEOF_WCHAR_T
diff --git a/ase/include/ase/types.h b/ase/include/ase/types.h
index 53316de1..02ec0c58 100644
--- a/ase/include/ase/types.h
+++ b/ase/include/ase/types.h
@@ -1,5 +1,5 @@
 /*
- * $Id: types.h 225 2008-06-26 06:48:38Z baconevi $
+ * $Id: types.h 278 2008-07-21 03:49:09Z baconevi $
  *
  * {License}
  */
@@ -314,6 +314,10 @@ typedef int  ase_mcint_t;
 	#endif
 #endif
 
+/* a fuser should fuse(copy and combine) the orginal data into the given space 
+ * and return the pointer to its new location in the space */
+typedef void* (*ase_fuser_t) (void* org, void* space, ase_size_t size);
+
 typedef struct ase_cstr_t ase_cstr_t;
 typedef struct ase_mmgr_t ase_mmgr_t;
 typedef struct ase_ccls_t ase_ccls_t;
diff --git a/ase/lib/awk/awk.c b/ase/lib/awk/awk.c
index 6c1a41c1..92d6b182 100644
--- a/ase/lib/awk/awk.c
+++ b/ase/lib/awk/awk.c
@@ -1,5 +1,5 @@
 /*
- * $Id: awk.c 276 2008-07-20 13:52:30Z baconevi $ 
+ * $Id: awk.c 278 2008-07-21 03:49:09Z baconevi $ 
  *
  * {License}
  */
@@ -24,7 +24,8 @@ static void free_bfn (void* awk, void* afn);
 		ase_awk_seterror ((awk), (code), (line), &errarg, 1); \
 	} while (0)
 
-ase_awk_t* ase_awk_open (ase_mmgr_t* mmgr, unsigned int extension, extension_initializer)
+ase_awk_t* ase_awk_open (
+	ase_mmgr_t* mmgr, ase_size_t extension, ase_fuser_t mmgr_fuser)
 {
 	ase_awk_t* awk;
 
@@ -36,12 +37,9 @@ ase_awk_t* ase_awk_open (ase_mmgr_t* mmgr, unsigned int extension, extension_ini
 	if (awk == ASE_NULL) return ASE_NULL;
 
 	ase_memset (awk, 0, ASE_SIZEOF(ase_awk_t) + extension);
+	if (mmgr_fuser) mmgr = mmgr_fuser (mmgr, awk + 1, extension);
 	awk->mmgr = mmgr;
 
-// TODO: extension_initializer???????????????????????????????/
-	if (extension_initializer) 
-		extension_initializer (awk, awk + 1, extension);
-
 	if (ase_str_open (&awk->token.name, 128, mmgr) == ASE_NULL) 
 	{
 		ASE_AWK_FREE (awk, awk);