diff --git a/qse/lib/awk/StdAwk.cpp b/qse/lib/awk/StdAwk.cpp
index caf7b25d..656b2470 100644
--- a/qse/lib/awk/StdAwk.cpp
+++ b/qse/lib/awk/StdAwk.cpp
@@ -29,30 +29,10 @@
 #include "awk.h"
 #include "std.h"
 
-#if defined(_WIN32)
-#	include <windows.h>
-#	include <tchar.h>
-#	if defined(QSE_HAVE_CONFIG_H)
-#		include <ltdl.h>
-#		define USE_LTDL
-#	endif
-#elif defined(__OS2__)
-#	define INCL_DOSMODULEMGR
-#	define INCL_DOSPROCESS
-#	define INCL_DOSERRORS
-#	include <os2.h>
-#elif defined(__DOS__)
-#	if !defined(QSE_ENABLE_STATIC_MODULE)
-#		include <cwdllfnc.h>
-#	endif
-#else
-#    include <unistd.h>
-#    include <ltdl.h>
-#	define USE_LTDL
-#endif
+#include <stdlib.h>
 
-#ifndef QSE_HAVE_CONFIG_H
-#    if defined(_WIN32) || defined(__OS2__) || defined(__DOS__)
+#if !defined(QSE_HAVE_CONFIG_H)
+#	if defined(_WIN32) || defined(__OS2__) || defined(__DOS__)
 #		define HAVE_POW
 #		define HAVE_FMOD
 #	endif
@@ -128,13 +108,7 @@ int StdAwk::open ()
 		goto oops;
 	}
 
-#if defined(USE_LTDL)
-	/* lt_dlinit() can be called more than once and 
-	 * lt_dlexit() shuts down libltdl if it's called as many times as
-	 * corresponding lt_dlinit(). so it's safe to call lt_dlinit()
-	 * and lt_dlexit() at the library level. */
-	if (lt_dlinit() != 0) goto oops;
-#endif
+	if (qse_awk_stdmodstartup (this->awk) <= -1) goto oops;
 
 	this->cmgrtab_inited = false;
 	return 0;
@@ -153,11 +127,8 @@ void StdAwk::close ()
 	}
 
 	clearConsoleOutputs ();
+	qse_awk_stdmodshutdown (this->awk);
 	Awk::close ();
-
-#if defined(USE_LTDL)
-	lt_dlexit ();
-#endif
 }
 
 StdAwk::Run* StdAwk::parse (Source& in, Source& out)
diff --git a/qse/lib/awk/std.c b/qse/lib/awk/std.c
index 064724fa..4da2d20a 100644
--- a/qse/lib/awk/std.c
+++ b/qse/lib/awk/std.c
@@ -175,6 +175,38 @@ qse_awk_flt_t qse_awk_stdmathmod (qse_awk_t* awk, qse_awk_flt_t x, qse_awk_flt_t
 #endif
 }
 
+int qse_awk_stdmodstartup (qse_awk_t* awk)
+{
+#if defined(QSE_ENABLE_STATIC_MODULE)
+	return 0;
+
+#elif defined(USE_LTDL)
+	/* lt_dlinit() can be called more than once and 
+	 * lt_dlexit() shuts down libltdl if it's called as many times as
+	 * corresponding lt_dlinit(). so it's safe to call lt_dlinit()
+	 * and lt_dlexit() at the library level. */
+	return (lt_dlinit () != 0)? -1: 0;
+
+#else
+	return 0;
+#endif
+
+}
+
+void qse_awk_stdmodshutdown (qse_awk_t* awk)
+{
+#if defined(QSE_ENABLE_STATIC_MODULE)
+	/* do nothign */
+
+#elif defined(USE_LTDL)
+
+	lt_dlexit ();
+
+#else
+	/* do nothing */
+#endif
+}
+
 void* qse_awk_stdmodopen (qse_awk_t* awk, const qse_awk_mod_spec_t* spec)
 {
 #if defined(QSE_ENABLE_STATIC_MODULE)
@@ -389,10 +421,7 @@ qse_awk_t* qse_awk_openstd (qse_size_t xtnsize, qse_awk_errnum_t* errnum)
 
 static void fini_xtn (qse_awk_t* awk)
 {
-	/* nothing to do */
-#if defined(USE_LTDL)
-	lt_dlexit ();
-#endif
+	qse_awk_stdmodshutdown (awk);
 }
 
 static void clear_xtn (qse_awk_t* awk)
@@ -424,13 +453,7 @@ qse_awk_t* qse_awk_openstdwithmmgr (qse_mmgr_t* mmgr, qse_size_t xtnsize, qse_aw
 	if (add_globals(awk) <= -1 ||
 	    add_functions (awk) <= -1) goto oops;
 
-#if defined(USE_LTDL)
-	/* lt_dlinit() can be called more than once and 
-	 * lt_dlexit() shuts down libltdl if it's called as many times as
-	 * corresponding lt_dlinit(). so it's safe to call lt_dlinit()
-	 * and lt_dlexit() at the library level. */
-	if (lt_dlinit () != 0) goto oops;
-#endif
+	if (qse_awk_stdmodstartup (awk) <= -1) goto oops;
 
 	xtn->ecb.close = fini_xtn;
 	xtn->ecb.clear = clear_xtn;
diff --git a/qse/lib/awk/std.h b/qse/lib/awk/std.h
index f20a82d9..ad07f3c5 100644
--- a/qse/lib/awk/std.h
+++ b/qse/lib/awk/std.h
@@ -27,12 +27,15 @@
 extern "C" {
 #endif
 
-qse_awk_flt_t qse_awk_stdmathpow (qse_awk_t* awk, qse_awk_flt_t x, qse_awk_flt_t y);
-qse_awk_flt_t qse_awk_stdmathmod (qse_awk_t* awk, qse_awk_flt_t x, qse_awk_flt_t y);
+QSE_EXPORT qse_awk_flt_t qse_awk_stdmathpow (qse_awk_t* awk, qse_awk_flt_t x, qse_awk_flt_t y);
+QSE_EXPORT qse_awk_flt_t qse_awk_stdmathmod (qse_awk_t* awk, qse_awk_flt_t x, qse_awk_flt_t y);
 
-void* qse_awk_stdmodopen (qse_awk_t* awk, const qse_awk_mod_spec_t* spec);
-void qse_awk_stdmodclose (qse_awk_t* awk, void* handle);
-void* qse_awk_stdmodsym (qse_awk_t* awk, void* handle, const qse_char_t* name);
+QSE_EXPORT int qse_awk_stdmodstartup (qse_awk_t* awk);
+QSE_EXPORT void qse_awk_stdmodshutdown (qse_awk_t* awk);
+
+QSE_EXPORT void* qse_awk_stdmodopen (qse_awk_t* awk, const qse_awk_mod_spec_t* spec);
+QSE_EXPORT void qse_awk_stdmodclose (qse_awk_t* awk, void* handle);
+QSE_EXPORT void* qse_awk_stdmodsym (qse_awk_t* awk, void* handle, const qse_char_t* name);
 
 
 #ifdef __cplusplus
diff --git a/qse/lib/http/httpd-std.c b/qse/lib/http/httpd-std.c
index 9d836762..e4ece165 100644
--- a/qse/lib/http/httpd-std.c
+++ b/qse/lib/http/httpd-std.c
@@ -441,8 +441,21 @@ static QSE_INLINE qse_ssize_t __send_file (
 	qse_fio_hnd_t fh;
 
 	fh = qse_fio_gethandle (HANDLE_TO_FIO(in_fd));
+	#if defined(__FreeBSD__)
+	{
+		off_t nsent;
+		ret = sendfile (fh, out_fd, *offset, count, QSE_NULL, &nsent, 0);
+		if (ret == 0) 
+		{
+			*offset += nsent;
+			ret = nsent;	
+		}
+		else qse_httpd_seterrnum (httpd, SKERR_TO_ERRNUM());
+	}
+	#else
 	ret = sendfile (out_fd, fh, offset, count);
 	if (ret <= -1) qse_httpd_seterrnum (httpd, SKERR_TO_ERRNUM());
+	#endif
 	return ret;
 
 #elif defined(HAVE_SENDFILE64)