diff --git a/stix/mod/Makefile.am b/stix/mod/Makefile.am
index 78f2316..6078dca 100644
--- a/stix/mod/Makefile.am
+++ b/stix/mod/Makefile.am
@@ -38,7 +38,7 @@ pkgmodexecdir = $(libdir)
 
 pkgmodexec_LTLIBRARIES = libstix-stdio.la libstix-console.la
 
-libstix_stdio_la_SOURCES = stdio.c 
+libstix_stdio_la_SOURCES = stdio.c m-stdio.h
 libstix_stdio_la_CPPFLAGS = $(CPPFLAGS_COMMON)
 libstix_stdio_la_LDFLAGS = $(LDFLAGS_COMMON)
 libstix_stdio_la_LIBADD = $(LIBADD_COMMON)
diff --git a/stix/mod/Makefile.in b/stix/mod/Makefile.in
index ffc9c51..a336520 100644
--- a/stix/mod/Makefile.in
+++ b/stix/mod/Makefile.in
@@ -160,7 +160,7 @@ libstix_console_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \
 @ENABLE_STATIC_MODULE_FALSE@	$(pkgmodexecdir)
 @ENABLE_STATIC_MODULE_FALSE@libstix_stdio_la_DEPENDENCIES =  \
 @ENABLE_STATIC_MODULE_FALSE@	$(am__DEPENDENCIES_1)
-am__libstix_stdio_la_SOURCES_DIST = stdio.c
+am__libstix_stdio_la_SOURCES_DIST = stdio.c m-stdio.h
 @ENABLE_STATIC_MODULE_FALSE@am_libstix_stdio_la_OBJECTS =  \
 @ENABLE_STATIC_MODULE_FALSE@	libstix_stdio_la-stdio.lo
 libstix_stdio_la_OBJECTS = $(am_libstix_stdio_la_OBJECTS)
@@ -412,7 +412,7 @@ CPPFLAGS_COMMON = -I$(abs_builddir) -I$(abs_builddir)/../lib \
 @ENABLE_STATIC_MODULE_FALSE@LIBADD_COMMON = -lstix
 @ENABLE_STATIC_MODULE_FALSE@pkgmodexecdir = $(libdir)
 @ENABLE_STATIC_MODULE_FALSE@pkgmodexec_LTLIBRARIES = libstix-stdio.la libstix-console.la
-@ENABLE_STATIC_MODULE_FALSE@libstix_stdio_la_SOURCES = stdio.c 
+@ENABLE_STATIC_MODULE_FALSE@libstix_stdio_la_SOURCES = stdio.c m-stdio.h
 @ENABLE_STATIC_MODULE_FALSE@libstix_stdio_la_CPPFLAGS = $(CPPFLAGS_COMMON)
 @ENABLE_STATIC_MODULE_FALSE@libstix_stdio_la_LDFLAGS = $(LDFLAGS_COMMON)
 @ENABLE_STATIC_MODULE_FALSE@libstix_stdio_la_LIBADD = $(LIBADD_COMMON)
diff --git a/stix/mod/_stdio.h b/stix/mod/_stdio.h
new file mode 100644
index 0000000..fad1f80
--- /dev/null
+++ b/stix/mod/_stdio.h
@@ -0,0 +1,43 @@
+/*
+ * $Id$
+ *
+    Copyright (c) 2006-2016 Chung, Hyung-Hwan. All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+    1. Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
+    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _STIX_LIB_MOD_STDIO_H_
+#define _STIX_LIB_MOD_STDIO_H_
+
+#include <stix.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+STIX_EXPORT int stix_mod_stdio (stix_t* stix, stix_mod_t* mod);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif
+
diff --git a/stix/mod/console.h b/stix/mod/console.h
new file mode 100644
index 0000000..a617fc8
--- /dev/null
+++ b/stix/mod/console.h
@@ -0,0 +1,43 @@
+/*
+ * $Id$
+ *
+    Copyright (c) 2006-2016 Chung, Hyung-Hwan. All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+    1. Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
+    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _STIX_LIB_MOD_CONSOLE_H_
+#define _STIX_LIB_MOD_CONSOLE_H_
+
+#include <stix.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+STIX_EXPORT int stix_mod_console (stix_t* stix, stix_mod_t* mod);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif
+
diff --git a/stix/mod/stdio.c b/stix/mod/stdio.c
index 20131bb..10f910b 100644
--- a/stix/mod/stdio.c
+++ b/stix/mod/stdio.c
@@ -25,7 +25,7 @@
  */
 
 
-#include <stix.h>
+#include "_stdio.h"
 #include <stix-utl.h>
 
 #include <stdio.h>