diff --git a/qse/cmd/awk/awk.c b/qse/cmd/awk/awk.c
index 9424fd98..e8024400 100644
--- a/qse/cmd/awk/awk.c
+++ b/qse/cmd/awk/awk.c
@@ -1126,11 +1126,11 @@ static void open_mpi (mpi_t* mpi, int argc, qse_achar_t* argv[])
 #if defined(USE_LTDL)
 
 	#if defined(QSE_ACHAR_IS_MCHAR)
-	if (qse_mbscmp (qse_mbsbasename(argv[0]), QSE_MT("qseawkmp")) != 0 &&
-	    qse_mbscmp (qse_mbsbasename(argv[0]), QSE_MT("qseawkmpi")) != 0) return;
+	if (qse_mbscmp (qse_basenameasmbs(argv[0]), QSE_MT("qseawkmp")) != 0 &&
+	    qse_mbscmp (qse_basenameasmbs(argv[0]), QSE_MT("qseawkmpi")) != 0) return;
 	#else
-	if (qse_wcscmp (qse_wcsbasename(argv[0]), QSE_WT("qseawkmp")) != 0 &&
-	    qse_wcscmp (qse_wcsbasename(argv[0]), QSE_WT("qseawkmpi")) != 0) return;
+	if (qse_wcscmp (qse_basenameaswcs(argv[0]), QSE_WT("qseawkmp")) != 0 &&
+	    qse_wcscmp (qse_basenameaswcs(argv[0]), QSE_WT("qseawkmpi")) != 0) return;
 	#endif
 
 	if (lt_dlinit () != 0) return;
diff --git a/qse/cmd/http/httpd.c b/qse/cmd/http/httpd.c
index 76bc6c4c..64d05793 100644
--- a/qse/cmd/http/httpd.c
+++ b/qse/cmd/http/httpd.c
@@ -879,7 +879,7 @@ found:
 			if (apath)
 			{
 				const qse_mchar_t* base;
-				base = qse_mbsbasename (apath);
+				base = qse_basenameasmbs (apath);
 
 				for (i = 0; i < QSE_COUNTOF(loccfg->auth_rule); i++)
 				{
@@ -977,7 +977,7 @@ found:
 #endif
 			if (!qinfo->xpath_nx)
 			{
-				xpath_base = qse_mbsbasename (qinfo->xpath);
+				xpath_base = qse_basenameasmbs (qinfo->xpath);
 				for (i = 0; i < QSE_COUNTOF(loccfg->cgi); i++)
 				{
 					struct cgi_t* cgi;
@@ -1004,7 +1004,7 @@ found:
 			qse_size_t i;
 			const qse_mchar_t* xpath_base;
 
-			xpath_base = qse_mbsbasename (qinfo->xpath);
+			xpath_base = qse_basenameasmbs (qinfo->xpath);
 
 			*(const qse_mchar_t**)result = QSE_NULL;
 			for (i = 0; i < QSE_COUNTOF(loccfg->mime); i++)
@@ -1043,7 +1043,7 @@ found:
 
 					id = (code == QSE_HTTPD_SERVERSTD_DIRACC)? 0: 1;
 		
-					xpath_base = qse_mbsbasename (qinfo->xpath);
+					xpath_base = qse_basenameasmbs (qinfo->xpath);
 
 					*(int*)result = 200;
 					for (i = 0; i < QSE_COUNTOF(loccfg->access[id]); i++)
diff --git a/qse/include/qse/awk/awk.h b/qse/include/qse/awk/awk.h
index 8c369d4b..a8cf0b85 100644
--- a/qse/include/qse/awk/awk.h
+++ b/qse/include/qse/awk/awk.h
@@ -1707,30 +1707,30 @@ QSE_EXPORT const qse_awk_loc_t* qse_awk_geterrloc (
 );
 
 /**
- * The qse_awk_getmerrmsg() function returns the error message describing
+ * The qse_awk_geterrmsgasmbs() function returns the error message describing
  * the last error occurred. 
  *
  * \return error message
  */
-QSE_EXPORT const qse_mchar_t* qse_awk_getmerrmsg (
+QSE_EXPORT const qse_mchar_t* qse_awk_geterrmsgasmbs (
 	qse_awk_t* awk /**< awk */
 );
 
 /**
- * The qse_awk_getwerrmsg() function returns the error message describing
+ * The qse_awk_geterrmsgaswcs() function returns the error message describing
  * the last error occurred. 
  *
  * \return error message
  */
-QSE_EXPORT const qse_wchar_t* qse_awk_getwerrmsg (
+QSE_EXPORT const qse_wchar_t* qse_awk_geterrmsgaswcs (
 	qse_awk_t* awk /**< awk */
 );
 
 
 #if defined(QSE_CHAR_IS_MCHAR)
-#	define qse_awk_geterrmsg qse_awk_getmerrmsg
+#	define qse_awk_geterrmsg qse_awk_geterrmsgasmbs
 #else
-#	define qse_awk_geterrmsg qse_awk_getwerrmsg
+#	define qse_awk_geterrmsg qse_awk_geterrmsgaswcs
 #endif
 
 
@@ -2231,15 +2231,31 @@ QSE_EXPORT qse_awk_val_t* qse_awk_rtx_loop (
 );
 
 /**
- * The qse_awk_rtx_findfun() function finds the function structure by name
- * and returns the pointer to it if one is found. It returns #QSE_NULL if
- * it fails to find a function by the \a name.
+ * The qse_awk_rtx_findfunwithmbs() function finds the function structure by 
+ * name and returns the pointer to it if one is found. It returns #QSE_NULL
+ * if it fails to find a function by the \a name.
  */
-QSE_EXPORT qse_awk_fun_t* qse_awk_rtx_findfun (
-	qse_awk_rtx_t*    rtx, /**< runtime context */
-	const qse_char_t* name /**< function name */
+QSE_EXPORT qse_awk_fun_t* qse_awk_rtx_findfunwithmbs (
+	qse_awk_rtx_t*     rtx, /**< runtime context */
+	const qse_mchar_t* name /**< function name */
 );
 
+/**
+ * The qse_awk_rtx_findfunwithwcs() function finds the function structure by 
+ * name and returns the pointer to it if one is found. It returns #QSE_NULL
+ * if it fails to find a function by the \a name.
+ */
+QSE_EXPORT qse_awk_fun_t* qse_awk_rtx_findfunwithwcs (
+	qse_awk_rtx_t*     rtx, /**< runtime context */
+	const qse_wchar_t* name /**< function name */
+);
+
+#if defined(QSE_CHAR_IS_MCHAR)
+#	define qse_awk_rtx_findfun qse_awk_rtx_findfunwithmbs
+#else
+#	define qse_awk_rtx_findfun qse_awk_rtx_findfunwithwcs
+#endif
+
 /**
  * The qse_awk_rtx_callfun() function invokes an AWK function described by
  * the structure pointed to by \a fun.
@@ -2253,7 +2269,7 @@ QSE_EXPORT qse_awk_val_t* qse_awk_rtx_callfun (
 );
 
 /**
- * The qse_awk_rtx_call() function invokes an AWK function named \a name. 
+ * The qse_awk_rtx_callwithmbs() function invokes an AWK function named \a name. 
  * However, it is not able to invoke an intrinsic function such as split(). 
  * The #QSE_AWK_PABLOCK option can be turned off to make illegal the BEGIN 
  * blocks, the pattern-action blocks, and the END blocks.
@@ -2263,9 +2279,9 @@ QSE_EXPORT qse_awk_val_t* qse_awk_rtx_callfun (
  * rtx = qse_awk_rtx_open (awk, 0, rio);
  * if (rtx)
  * {
- *     v = qse_awk_rtx_call (rtx, QSE_T("init"), QSE_NULL, 0);
+ *     v = qse_awk_rtx_callwithmbs (rtx, QSE_MT("init"), QSE_NULL, 0);
  *     if (v) qse_awk_rtx_refdownval (rtx, v);
- *     qse_awk_rtx_call (rtx, QSE_T("fini"), QSE_NULL, 0);
+ *     qse_awk_rtx_callwithmbs (rtx, QSE_MT("fini"), QSE_NULL, 0);
  *     if (v) qse_awk_rtx_refdownval (rtx, v);
  *     qse_awk_rtx_close (rtx);
  * }
@@ -2273,13 +2289,47 @@ QSE_EXPORT qse_awk_val_t* qse_awk_rtx_callfun (
  *
  * \return 0 on success, -1 on failure
  */
-QSE_EXPORT qse_awk_val_t* qse_awk_rtx_call (
-	qse_awk_rtx_t*    rtx,    /**< runtime context */
-	const qse_char_t* name,   /**< function name */
-	qse_awk_val_t*    args[], /**< arguments to the function */
-	qse_size_t        nargs   /**< the number of arguments */
+QSE_EXPORT qse_awk_val_t* qse_awk_rtx_callwithmbs (
+	qse_awk_rtx_t*     rtx,    /**< runtime context */
+	const qse_mchar_t* name,   /**< function name */
+	qse_awk_val_t*     args[], /**< arguments to the function */
+	qse_size_t         nargs   /**< the number of arguments */
 );
 
+/**
+ * The qse_awk_rtx_callwithwcs() function invokes an AWK function named \a name. 
+ * However, it is not able to invoke an intrinsic function such as split(). 
+ * The #QSE_AWK_PABLOCK option can be turned off to make illegal the BEGIN 
+ * blocks, the pattern-action blocks, and the END blocks.
+ *
+ * The example shows typical usage of the function.
+ * \code
+ * rtx = qse_awk_rtx_open (awk, 0, rio);
+ * if (rtx)
+ * {
+ *     v = qse_awk_rtx_callwithwcs (rtx, QSE_WT("init"), QSE_NULL, 0);
+ *     if (v) qse_awk_rtx_refdownval (rtx, v);
+ *     qse_awk_rtx_callwithwcs (rtx, QSE_WT("fini"), QSE_NULL, 0);
+ *     if (v) qse_awk_rtx_refdownval (rtx, v);
+ *     qse_awk_rtx_close (rtx);
+ * }
+ * \endcode
+ *
+ * \return 0 on success, -1 on failure
+ */
+QSE_EXPORT qse_awk_val_t* qse_awk_rtx_callwithwcs (
+	qse_awk_rtx_t*     rtx,    /**< runtime context */
+	const qse_wchar_t* name,   /**< function name */
+	qse_awk_val_t*     args[], /**< arguments to the function */
+	qse_size_t         nargs   /**< the number of arguments */
+);
+
+#if defined(QSE_CHAR_IS_MCHAR)
+#	define qse_awk_rtx_call qse_awk_rtx_callwithmbs
+#else
+#	define qse_awk_rtx_call qse_awk_rtx_callwithwcs
+#endif
+
 /**
  * The qse_awk_rtx_callwithstrs() function is the same as qse_awk_rtx_call()
  * except that you pass pointers to null-terminated strings. It creates values
@@ -2501,27 +2551,27 @@ QSE_EXPORT const qse_awk_loc_t* qse_awk_rtx_geterrloc (
 );
 
 /**
- * The qse_awk_rtx_getmerrmsg() function gets the string describing the last 
+ * The qse_awk_rtx_geterrmsgasmbs() function gets the string describing the last 
  * error occurred during runtime.
  * \return error message
  */
-QSE_EXPORT const qse_mchar_t* qse_awk_rtx_getmerrmsg (
+QSE_EXPORT const qse_mchar_t* qse_awk_rtx_geterrmsgasmbs (
 	qse_awk_rtx_t* rtx /**< runtime context */
 );
 
 /**
- * The qse_awk_rtx_getwerrmsg() function gets the string describing the last 
+ * The qse_awk_rtx_geterrmsgaswcs() function gets the string describing the last 
  * error occurred during runtime.
  * \return error message
  */
-QSE_EXPORT const qse_wchar_t* qse_awk_rtx_getwerrmsg (
+QSE_EXPORT const qse_wchar_t* qse_awk_rtx_geterrmsgaswcs (
 	qse_awk_rtx_t* rtx /**< runtime context */
 );
 
 #if defined(QSE_CHAR_IS_MCHAR)
-#	define qse_awk_rtx_geterrmsg qse_awk_rtx_getmerrmsg
+#	define qse_awk_rtx_geterrmsg qse_awk_rtx_geterrmsgasmbs
 #else
-#	define qse_awk_rtx_geterrmsg qse_awk_rtx_getwerrmsg
+#	define qse_awk_rtx_geterrmsg qse_awk_rtx_geterrmsgaswcs
 #endif
 
 QSE_EXPORT const qse_char_t* qse_awk_rtx_backuperrmsg (
@@ -3262,6 +3312,34 @@ static QSE_INLINE void qse_awk_rtx_freemem (qse_awk_rtx_t* rtx, void* ptr)
 #	define qse_awk_rtx_freemem(rtx,ptr) qse_awk_freemem(((qse_awk_rtx_alt_t*)rtx)->awk, ptr)
 #endif
 
+
+QSE_EXPORT qse_wchar_t* qse_awk_rtx_mbstowcsdup (
+	qse_awk_rtx_t*     rtx,
+	const qse_mchar_t* mbs,
+	qse_size_t*        wcslen
+);
+
+QSE_EXPORT qse_wchar_t* qse_awk_rtx_mbsntowcsdup (
+	qse_awk_rtx_t*     rtx,
+	const qse_mchar_t* mbs,
+	qse_size_t         mbslen,
+	qse_size_t*        wcslen
+);
+
+QSE_EXPORT qse_mchar_t* qse_awk_rtx_wcstombsdup (
+	qse_awk_rtx_t*     rtx,
+	const qse_wchar_t* wcs,
+	qse_size_t*        mbslen
+);
+
+qse_mchar_t* qse_awk_rtx_wcsntombsdup (
+	qse_awk_rtx_t*     rtx,
+	const qse_wchar_t* wcs,
+	qse_size_t         wcslen,
+	qse_size_t*        mbslen
+);
+
+
 /**
  * The qse_getawknilval() function returns the pointer to the predefined
  * nil value. you can call this without creating a runtime context. 
diff --git a/qse/include/qse/cmn/path.h b/qse/include/qse/cmn/path.h
index 33fbd8b0..a97fc3f2 100644
--- a/qse/include/qse/cmn/path.h
+++ b/qse/include/qse/cmn/path.h
@@ -129,10 +129,10 @@ QSE_EXPORT int qse_ismbsdrivecurpath (
 );
 
 /**
- * The qse_mbsbasename() function returns the pointer to the file name 
+ * The qse_basenameasmbs() function returns the pointer to the file name 
  * segment in a multibyte path name.
  */
-QSE_EXPORT const qse_mchar_t* qse_mbsbasename (
+QSE_EXPORT const qse_mchar_t* qse_basenameasmbs (
 	const qse_mchar_t* path
 );
 
@@ -237,10 +237,10 @@ QSE_EXPORT int qse_iswcsdrivecurpath (
 );
 
 /**
- * The qse_wcsbasename() function returns the pointer to the file name 
+ * The qse_basenameaswcs() function returns the pointer to the file name 
  * segment in a wide-character path name.
  */
-QSE_EXPORT const qse_wchar_t* qse_wcsbasename (
+QSE_EXPORT const qse_wchar_t* qse_basenameaswcs (
 	const qse_wchar_t* path
 );
 
@@ -313,7 +313,7 @@ QSE_EXPORT qse_wchar_t* qse_mergewcspathdup (
 #	define qse_isdrivepath(p)            qse_ismbsdrivepath(p)
 #	define qse_isdriveabspath(p)         qse_ismbsdriveabspath(p)
 #	define qse_isdrivecurpath(p)         qse_ismbsdrivecurpath(p)
-#	define qse_basename(path)            qse_mbsbasename(path)
+#	define qse_basename(path)            qse_basenameasmbs(path)
 #	define qse_pathcore(p)               qse_mbspathcore(p)
 #	define qse_canonpath(p,c,f)          qse_canonmbspath(p,c,f)
 #	define qse_mergepathdup(d,f,m)       qse_mergembspathdup(d,f,m)
@@ -323,7 +323,7 @@ QSE_EXPORT qse_wchar_t* qse_mergewcspathdup (
 #	define qse_isdrivepath(p)            qse_iswcsdrivepath(p)
 #	define qse_isdriveabspath(p)         qse_iswcsdriveabspath(p)
 #	define qse_isdrivecurpath(p)         qse_iswcsdrivecurpath(p)
-#	define qse_basename(path)            qse_wcsbasename(path)
+#	define qse_basename(path)            qse_basenameaswcs(path)
 #	define qse_pathcore(p)               qse_wcspathcore(p)
 #	define qse_canonpath(p,c,f)          qse_canonwcspath(p,c,f)
 #	define qse_mergepathdup(d,f,m)       qse_mergewcspathdup(d,f,m)
diff --git a/qse/lib/awk/StdAwk.cpp b/qse/lib/awk/StdAwk.cpp
index 350ffe7b..8580d02e 100644
--- a/qse/lib/awk/StdAwk.cpp
+++ b/qse/lib/awk/StdAwk.cpp
@@ -1208,20 +1208,20 @@ int StdAwk::SourceFile::open (Data& io)
 		file = ioname;
 		if (io.getPrevHandle())
 		{
-			const char_t* outer;
+			const qse_char_t* outer;
 
 			outer = qse_sio_getpath ((qse_sio_t*)io.getPrevHandle());
 			if (outer)
 			{
 				const qse_char_t* base;
 
-				base = qse_basename (outer);
+				base = qse_basename(outer);
 				if (base != outer && ioname[0] != QSE_T('/'))
 				{
 					size_t tmplen, totlen, dirlen;
 				
 					dirlen = base - outer;
-						totlen = qse_strlen(ioname) + dirlen;
+					totlen = qse_strlen(ioname) + dirlen;
 					if (totlen >= QSE_COUNTOF(fbuf))
 					{
 						dbuf = (qse_char_t*) QSE_MMGR_ALLOC (
@@ -1309,7 +1309,7 @@ int StdAwk::SourceString::open (Data& io)
 			{
 				const qse_char_t* base;
 	
-				base = qse_basename (outer);
+				base = qse_basename(outer);
 				if (base != outer && ioname[0] != QSE_T('/'))
 				{
 					size_t tmplen, totlen, dirlen;
@@ -1318,7 +1318,7 @@ int StdAwk::SourceString::open (Data& io)
 					totlen = qse_strlen(ioname) + dirlen;
 					if (totlen >= QSE_COUNTOF(fbuf))
 					{
-						dbuf = (qse_char_t*) QSE_MMGR_ALLOC (
+						dbuf = (qse_char_t*)QSE_MMGR_ALLOC(
 							((Awk*)io)->getMmgr(),
 							QSE_SIZEOF(qse_char_t) * (totlen + 1)
 						);
diff --git a/qse/lib/awk/err.c b/qse/lib/awk/err.c
index cfb8a93b..6c0def9d 100644
--- a/qse/lib/awk/err.c
+++ b/qse/lib/awk/err.c
@@ -194,7 +194,7 @@ const qse_awk_loc_t* qse_awk_geterrloc (qse_awk_t* awk)
 	return &awk->errinf.loc;
 }
 
-const qse_mchar_t* qse_awk_getmerrmsg (qse_awk_t* awk)
+const qse_mchar_t* qse_awk_geterrmsgasmbs (qse_awk_t* awk)
 {
 #if defined(QSE_CHAR_IS_MCHAR)
 	return (awk->errinf.msg[0] == QSE_T('\0'))?
@@ -213,7 +213,7 @@ const qse_mchar_t* qse_awk_getmerrmsg (qse_awk_t* awk)
 #endif
 }
 
-const qse_wchar_t* qse_awk_getwerrmsg (qse_awk_t* awk)
+const qse_wchar_t* qse_awk_geterrmsgaswcs (qse_awk_t* awk)
 {
 #if defined(QSE_CHAR_IS_MCHAR)
 	const qse_char_t* msg;
@@ -310,7 +310,7 @@ const qse_awk_loc_t* qse_awk_rtx_geterrloc (qse_awk_rtx_t* rtx)
 	return &rtx->errinf.loc;
 }
 
-const qse_mchar_t* qse_awk_rtx_getmerrmsg (qse_awk_rtx_t* rtx)
+const qse_mchar_t* qse_awk_rtx_geterrmsgasmbs (qse_awk_rtx_t* rtx)
 {
 #if defined(QSE_CHAR_IS_MCHAR)
 	return (rtx->errinf.msg[0] == QSE_T('\0')) ?
@@ -329,7 +329,7 @@ const qse_mchar_t* qse_awk_rtx_getmerrmsg (qse_awk_rtx_t* rtx)
 #endif
 }
 
-const qse_wchar_t* qse_awk_rtx_getwerrmsg (qse_awk_rtx_t* rtx)
+const qse_wchar_t* qse_awk_rtx_geterrmsgaswcs (qse_awk_rtx_t* rtx)
 {
 #if defined(QSE_CHAR_IS_MCHAR)
 	const qse_char_t* msg;
diff --git a/qse/lib/awk/misc.c b/qse/lib/awk/misc.c
index c23d0ed3..e7d87ce7 100644
--- a/qse/lib/awk/misc.c
+++ b/qse/lib/awk/misc.c
@@ -1021,3 +1021,101 @@ void* qse_awk_rtx_callocmem (qse_awk_rtx_t* rtx, qse_size_t size)
 	return ptr;
 }
 
+
+
+
+
+
+qse_wchar_t* qse_awk_rtx_mbstowcsdup (qse_awk_rtx_t* rtx, const qse_mchar_t* mbs, qse_size_t* _wcslen)
+{
+	qse_size_t mbslen, wcslen;
+	qse_wchar_t* wcs;
+
+	/* if i use qse_mbstowcsdupwithcmgr(), i cannot pinpoint the exact failure cause.
+	 * let's do it differently. */
+	if (qse_mbstowcswithcmgr(mbs, &mbslen, QSE_NULL, &wcslen, qse_awk_rtx_getcmgr(rtx)) <= -1)
+	{
+		qse_awk_rtx_seterrnum (rtx, QSE_AWK_EINVAL, QSE_NULL);
+		return QSE_NULL;
+	}
+
+	wcslen = wcslen + 1; /* for terminating null */
+
+	wcs = qse_awk_rtx_allocmem(rtx, QSE_SIZEOF(*wcs) * wcslen);
+	if (!wcs) return QSE_NULL;
+
+	qse_mbstowcswithcmgr (mbs, &mbslen, wcs, &wcslen, qse_awk_rtx_getcmgr(rtx));
+	if (_wcslen) *_wcslen = wcslen;
+	return wcs;
+}
+
+qse_mchar_t* qse_awk_rtx_wcstombsdup (qse_awk_rtx_t* rtx, const qse_wchar_t* wcs, qse_size_t* _mbslen)
+{
+	qse_size_t mbslen, wcslen;
+	qse_mchar_t* mbs;
+
+	if (qse_wcstombswithcmgr(wcs, &wcslen, QSE_NULL, &mbslen, qse_awk_rtx_getcmgr(rtx)) <= -1)
+	{
+		qse_awk_rtx_seterrnum (rtx, QSE_AWK_EINVAL, QSE_NULL);
+		return QSE_NULL;
+	}
+
+	mbslen = mbslen + 1; /* for terminating null */
+
+	mbs = qse_awk_rtx_allocmem(rtx, QSE_SIZEOF(*mbs) * mbslen);
+	if (!mbs) return QSE_NULL;
+
+	qse_wcstombswithcmgr (wcs, &wcslen, mbs, &mbslen, qse_awk_rtx_getcmgr(rtx));
+	if (_mbslen) *_mbslen = mbslen;
+	return mbs;
+}
+
+
+qse_wchar_t* qse_awk_rtx_mbsntowcsdup (qse_awk_rtx_t* rtx, const qse_mchar_t* mbs, qse_size_t _mbslen, qse_size_t* _wcslen)
+{
+	qse_size_t mbslen, wcslen;
+	qse_wchar_t* wcs;
+
+	/* if i use qse_mbstowcsdupwithcmgr(), i cannot pinpoint the exact failure cause.
+	 * let's do it differently. */
+	mbslen = _mbslen;
+	if (qse_mbsntowcsnwithcmgr(mbs, &mbslen, QSE_NULL, &wcslen, qse_awk_rtx_getcmgr(rtx)) <= -1)
+	{
+		qse_awk_rtx_seterrnum (rtx, QSE_AWK_EINVAL, QSE_NULL);
+		return QSE_NULL;
+	}
+
+	wcs = qse_awk_rtx_allocmem(rtx, QSE_SIZEOF(*wcs) * (wcslen + 1));
+	if (!wcs) return QSE_NULL;
+
+	mbslen= _mbslen;
+	qse_mbsntowcsnwithcmgr (mbs, &mbslen, wcs, &wcslen, qse_awk_rtx_getcmgr(rtx));
+	wcs[wcslen] = QSE_WT('\0');
+
+	if (_wcslen) *_wcslen = wcslen;
+	return wcs;
+}
+
+
+qse_mchar_t* qse_awk_rtx_wcsntombsdup (qse_awk_rtx_t* rtx, const qse_wchar_t* wcs, qse_size_t _wcslen, qse_size_t* _mbslen)
+{
+	qse_size_t mbslen, wcslen;
+	qse_mchar_t* mbs;
+
+	wcslen = _wcslen;
+	if (qse_wcsntombsnwithcmgr(wcs, &wcslen, QSE_NULL, &mbslen, qse_awk_rtx_getcmgr(rtx)) <= -1)
+	{
+		qse_awk_rtx_seterrnum (rtx, QSE_AWK_EINVAL, QSE_NULL);
+		return QSE_NULL;
+	}
+
+	mbs = qse_awk_rtx_allocmem(rtx, QSE_SIZEOF(*mbs) * (mbslen + 1));
+	if (!mbs) return QSE_NULL;
+
+	wcslen = _wcslen;
+	qse_wcsntombsnwithcmgr (wcs, &wcslen, mbs, &mbslen, qse_awk_rtx_getcmgr(rtx));
+	mbs[mbslen] = QSE_MT('\0');
+
+	if (_mbslen) *_mbslen = mbslen;
+	return mbs;
+}
diff --git a/qse/lib/awk/run.c b/qse/lib/awk/run.c
index 2e693518..84fbb796 100644
--- a/qse/lib/awk/run.c
+++ b/qse/lib/awk/run.c
@@ -1508,7 +1508,7 @@ qse_awk_val_t* qse_awk_rtx_loop (qse_awk_rtx_t* rtx)
 }
 
 /* find an AWK function by name */
-qse_awk_fun_t* qse_awk_rtx_findfun (qse_awk_rtx_t* rtx, const qse_char_t* name)
+static qse_awk_fun_t* find_fun (qse_awk_rtx_t* rtx, const qse_char_t* name)
 {
 	qse_htb_pair_t* pair;
 
@@ -1528,6 +1528,36 @@ qse_awk_fun_t* qse_awk_rtx_findfun (qse_awk_rtx_t* rtx, const qse_char_t* name)
 	return (qse_awk_fun_t*)QSE_HTB_VPTR(pair);
 }
 
+qse_awk_fun_t* qse_awk_rtx_findfunwithmbs (qse_awk_rtx_t* rtx, const qse_mchar_t* name)
+{
+#if defined(QSE_CHAR_IS_MCHAR)
+	return find_fun(rtx, name);
+#else
+	qse_mcstr_t mbs;
+	qse_awk_fun_t* fun;
+	mbs.ptr = qse_awk_rtx_wcstombsdup(rtx, name, &mbs.len);
+	if (!mbs.ptr) return -1;
+	fun = find_fun(rtx, mbs.ptr);
+	qse_awk_rtx_freemem (rtx, mbs.ptr);
+	return fun;
+#endif
+}
+
+qse_awk_fun_t* qse_awk_rtx_findfunwithwcs (qse_awk_rtx_t* rtx, const qse_wchar_t* name)
+{
+#if defined(QSE_CHAR_IS_MCHAR)
+	qse_wcstr_t wcs;
+	qse_awk_fun_t* fun;
+	wcs.ptr = qse_awk_rtx_mbstowcsdup(rtx, name, &wcs.len);
+	if (!wcs.ptr) return -1;
+	fun = find_fun(rtx, wcs.ptr);
+	qse_awk_rtx_freemem (rtx, wcs.ptr);
+	return fun;
+#else
+	return find_fun(rtx, name);
+#endif
+}
+
 /* call an AWK function by the function structure */
 qse_awk_val_t* qse_awk_rtx_callfun (qse_awk_rtx_t* rtx, qse_awk_fun_t* fun, qse_awk_val_t* args[], qse_size_t nargs)
 {
@@ -1606,11 +1636,21 @@ qse_awk_val_t* qse_awk_rtx_callfun (qse_awk_rtx_t* rtx, qse_awk_fun_t* fun, qse_
 }
 
 /* call an AWK function by name */
-qse_awk_val_t* qse_awk_rtx_call (qse_awk_rtx_t* rtx, const qse_char_t* name, qse_awk_val_t* args[], qse_size_t nargs)
+qse_awk_val_t* qse_awk_rtx_callwithmbs (qse_awk_rtx_t* rtx, const qse_mchar_t* name, qse_awk_val_t* args[], qse_size_t nargs)
 {
 	qse_awk_fun_t* fun;
 
-	fun = qse_awk_rtx_findfun(rtx, name);
+	fun = qse_awk_rtx_findfunwithmbs(rtx, name);
+	if (!fun) return QSE_NULL;
+
+	return qse_awk_rtx_callfun(rtx, fun, args, nargs);
+}
+
+qse_awk_val_t* qse_awk_rtx_callwithwcs (qse_awk_rtx_t* rtx, const qse_wchar_t* name, qse_awk_val_t* args[], qse_size_t nargs)
+{
+	qse_awk_fun_t* fun;
+
+	fun = qse_awk_rtx_findfunwithwcs(rtx, name);
 	if (!fun) return QSE_NULL;
 
 	return qse_awk_rtx_callfun(rtx, fun, args, nargs);
diff --git a/qse/lib/cmn/path-base.c b/qse/lib/cmn/path-base.c
index 5bae51d1..b4153f06 100644
--- a/qse/lib/cmn/path-base.c
+++ b/qse/lib/cmn/path-base.c
@@ -30,7 +30,7 @@
 #define IS_MSEP(c) QSE_ISPATHMBSEP(c)
 #define IS_WSEP(c) QSE_ISPATHWCSEP(c)
 
-const qse_mchar_t* qse_mbsbasename (const qse_mchar_t* path)
+const qse_mchar_t* qse_basenameasmbs (const qse_mchar_t* path)
 {
 	const qse_mchar_t* p, * last = QSE_NULL;
 
@@ -42,7 +42,7 @@ const qse_mchar_t* qse_mbsbasename (const qse_mchar_t* path)
 	return (last == QSE_NULL)? path: (last + 1);
 }
 
-const qse_wchar_t* qse_wcsbasename (const qse_wchar_t* path)
+const qse_wchar_t* qse_basenameaswcs (const qse_wchar_t* path)
 {
 	const qse_wchar_t* p, * last = QSE_NULL;
 
@@ -61,7 +61,7 @@ qse_mchar_t* qse_substmbsbasenamedup (const qse_mchar_t* path, const qse_mchar_t
 	qse_mcstr_t seg[3];
 	qse_size_t idx = 0;
 
-	b = qse_mbsbasename(path);
+	b = qse_basenameasmbs(path);
 	if (b)
 	{
 		seg[idx].ptr = (qse_mchar_t*)path;
@@ -85,7 +85,7 @@ qse_wchar_t* qse_substwcsbasenamedup (const qse_wchar_t* path, const qse_wchar_t
 	qse_wcstr_t seg[3];
 	qse_size_t idx = 0;
 
-	b = qse_wcsbasename(path);
+	b = qse_basenameaswcs(path);
 	if (b)
 	{
 		seg[idx].ptr = (qse_wchar_t*)path;
diff --git a/qse/lib/http/httpd.h b/qse/lib/http/httpd.h
index e9499464..1ace9831 100644
--- a/qse/lib/http/httpd.h
+++ b/qse/lib/http/httpd.h
@@ -43,12 +43,12 @@
 #if defined(QSE_HTTPD_DEBUG)
 #	include <qse/si/sio.h>
 #	include <qse/cmn/path.h>
-#	define HTTPD_DBGOUT0(fmt) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_mbsbasename(__FILE__))
-#	define HTTPD_DBGOUT1(fmt,a1) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_mbsbasename(__FILE__), (a1))
-#	define HTTPD_DBGOUT2(fmt,a1,a2) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_mbsbasename(__FILE__), (a1), (a2))
-#	define HTTPD_DBGOUT3(fmt,a1,a2,a3) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_mbsbasename(__FILE__), (a1), (a2), (a3))
-#	define HTTPD_DBGOUT4(fmt,a1,a2,a3,a4) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_mbsbasename(__FILE__), (a1), (a2), (a3), (a4))
-#	define HTTPD_DBGOUT5(fmt,a1,a2,a3,a4,a5) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_mbsbasename(__FILE__), (a1), (a2), (a3), (a4), (a5))
+#	define HTTPD_DBGOUT0(fmt) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_basenameasmbs(__FILE__))
+#	define HTTPD_DBGOUT1(fmt,a1) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_basenameasmbs(__FILE__), (a1))
+#	define HTTPD_DBGOUT2(fmt,a1,a2) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_basenameasmbs(__FILE__), (a1), (a2))
+#	define HTTPD_DBGOUT3(fmt,a1,a2,a3) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_basenameasmbs(__FILE__), (a1), (a2), (a3))
+#	define HTTPD_DBGOUT4(fmt,a1,a2,a3,a4) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_basenameasmbs(__FILE__), (a1), (a2), (a3), (a4))
+#	define HTTPD_DBGOUT5(fmt,a1,a2,a3,a4,a5) qse_putmbsf("%06d %-20hs " fmt, (int)__LINE__, qse_basenameasmbs(__FILE__), (a1), (a2), (a3), (a4), (a5))
 #else
 #	define HTTPD_DBGOUT0(fmt)
 #	define HTTPD_DBGOUT1(fmt,a1)
diff --git a/qse/lib/si/fs-prv.h b/qse/lib/si/fs-prv.h
index bdbdca2e..ff782f5d 100644
--- a/qse/lib/si/fs-prv.h
+++ b/qse/lib/si/fs-prv.h
@@ -94,14 +94,14 @@
 #	define canon_fspath(path,canon,flags) qse_canonmbspath(path,canon,flags)
 #	define merge_fspath_dup(dir,file,mmgr) qse_mergembspathdup(dir,file,mmgr)
 #	define get_fspath_core(fspath) qse_mbspathcore(fspath)
-#	define get_fspath_base(fspath) qse_mbsbasename(fspath)
+#	define get_fspath_base(fspath) qse_basenameasmbs(fspath)
 #	define IS_FSPATHSEP(x) QSE_ISPATHMBSEP(x)
 #	define QSE_FS_T(x) QSE_MT(x)
 #else
 #	define canon_fspath(fspath,canon,flags) qse_canonwcspath(fspath,canon,flags)
 #	define merge_fspath_dup(dir,file,mmgr) qse_mergewcspathdup(dir,file,mmgr)
 #	define get_fspath_core(fspath) qse_wcspathcore(fspath)
-#	define get_fspath_base(fspath) qse_wcsbasename(fspath)
+#	define get_fspath_base(fspath) qse_basenameaswcs(fspath)
 #	define IS_FSPATHSEP(x) QSE_ISPATHWCSEP(x)
 #	define QSE_FS_T(x) QSE_WT(x)
 #endif
diff --git a/qse/lib/xli/std.c b/qse/lib/xli/std.c
index c921476b..76847906 100644
--- a/qse/lib/xli/std.c
+++ b/qse/lib/xli/std.c
@@ -211,7 +211,7 @@ static qse_ssize_t sf_in_open (qse_xli_t* xli, qse_xli_io_arg_t* arg, xtn_t* xtn
 				const qse_char_t* base;
 	
 				/* i'm being included from another file */
-				base = qse_basename (outer);
+				base = qse_basename(outer);
 				if (base != outer && arg->name[0] != QSE_T('/'))
 				{
 					qse_size_t tmplen, totlen, dirlen;
@@ -438,7 +438,7 @@ static qse_ssize_t sf_out_open (qse_xli_t* xli, qse_xli_io_arg_t* arg, xtn_t* xt
 				const qse_char_t* base;
 	
 				/* i'm being included from another file */
-				base = qse_basename (outer);
+				base = qse_basename(outer);
 				if (base != outer && arg->name[0] != QSE_T('/'))
 				{
 					qse_size_t tmplen, totlen, dirlen;
diff --git a/qse/samples/cry/sha01.c b/qse/samples/cry/sha01.c
index 7541b248..d822b3fb 100644
--- a/qse/samples/cry/sha01.c
+++ b/qse/samples/cry/sha01.c
@@ -166,7 +166,7 @@ int main (int argc, char* argv[])
 		switch (c)
 		{
 			case 'h':
-				print_usage (qse_mbsbasename(argv[0]));
+				print_usage (qse_basenameasmbs(argv[0]));
 				return 0;
 
 			case 'k':
@@ -200,7 +200,7 @@ int main (int argc, char* argv[])
 
 			case '?':
 			case ':':
-				print_usage (qse_mbsbasename(argv[0]));
+				print_usage (qse_basenameasmbs(argv[0]));
 				return -1;
 		}
 	}