diff --git a/demo/Makefile.am b/demo/Makefile.am
index 11e9f63..35b2183 100644
--- a/demo/Makefile.am
+++ b/demo/Makefile.am
@@ -1,12 +1,19 @@
+generated_sources = searpc-signature.h searpc-marshal.h
+
 AM_CFLAGS = @GLIB_CFLAGS@ \
-	-I${top_srcdir}/lib
+	-I${top_srcdir}/lib \
+	-I${top_srcdir}/json-glib
+
+# we need to generate the first
+BUILT_SOURCES = gensource
 
 noinst_PROGRAMS = searpc-demo-server searpc-demo-client searpc-async-client
 
 searpc_demo_server_SOURCES = searpc-demo-server.c searpc-demo-packet.h
 
 searpc_demo_server_LDADD = ${top_builddir}/lib/libsearpc.la @LIB_WS32@ \
-	@GLIB_CFLAGS@
+	@GLIB_CFLAGS@ \
+	${top_builddir}/json-glib/json-glib/libsearpc-json-glib.la
 
 searpc_demo_client_SOURCES = searpc-demo-client.c searpc-demo-packet.h
 
@@ -18,3 +25,15 @@ searpc_async_client_SOURCES = demo-async-client.c searpc-demo-packet.h
 searpc_async_client_LDADD = ${top_builddir}/lib/libsearpc.la @LIB_WS32@ \
 	@GLIB_CFLAGS@
 
+EXTRA_DIST = rpc_table.py
+
+gensource: ${generated_sources}
+
+${generated_sources}: rpc_table.py
+	@echo "[libsearpc]: generating rpc header files"
+	python ${top_srcdir}/lib/searpc-codegen.py rpc_table.py
+	@echo "[libsearpc]: done"
+
+clean-local:
+	-rm ${generated_sources}
+
diff --git a/demo/demo-async-client.c b/demo/demo-async-client.c
index 8c1c35f..4887d5c 100644
--- a/demo/demo-async-client.c
+++ b/demo/demo-async-client.c
@@ -2,12 +2,11 @@
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
-
 #include <sys/stat.h>
-
 #include <glib-object.h>
 
-#include "searpc-client.h"
+#include <searpc.h>
+
 #include "searpc-demo-packet.h"
 
 #ifdef WIN32
diff --git a/demo/rpc_table.py b/demo/rpc_table.py
new file mode 100644
index 0000000..2f5d5a5
--- /dev/null
+++ b/demo/rpc_table.py
@@ -0,0 +1,8 @@
+"""
+Define RPC functions needed to generate
+"""
+
+# [ <ret-type>, [<arg_types>] ]
+func_table = [
+    [ "int", ["string"] ],
+]
diff --git a/demo/searpc-demo-client.c b/demo/searpc-demo-client.c
index 9fb44f7..1195f91 100644
--- a/demo/searpc-demo-client.c
+++ b/demo/searpc-demo-client.c
@@ -8,7 +8,8 @@
 
 #include <glib-object.h>
 
-#include "searpc-client.h"
+#include <searpc.h>
+
 #include "searpc-demo-packet.h"
 
 #define BUFLEN 256
diff --git a/demo/searpc-demo-server.c b/demo/searpc-demo-server.c
index 1254e9e..caa99dd 100644
--- a/demo/searpc-demo-server.c
+++ b/demo/searpc-demo-server.c
@@ -7,7 +7,8 @@
 #include <glib.h>
 #include <glib-object.h>
 
-#include "searpc-server.h"
+#include <searpc.h>
+
 #include "searpc-demo-packet.h"
 #define BUFLEN 256
 
@@ -31,10 +32,13 @@ searpc_strlen(const char *str)
         return strlen(str);
 }
 
+#include "searpc-signature.h"
+#include "searpc-marshal.h"
+
 static void
 start_rpc_service(void)
 {
-    searpc_server_init();
+    searpc_server_init(register_marshals);
     searpc_create_service("searpc-demo");
 
     /* The first parameter is the implementation function.
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 1688dfa..9f1b35e 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -4,30 +4,20 @@
 # Used in server:
 #
 # * searpc-signature.h: contains functions like `searpc_signature_int__string()`.
-# * marshal.h: contains functions like `marshal_int__string()`
+# * searpc-marshal.h: contains functions like `marshal_int__string()`
 #
 
-generated_sources = searpc-signature.h marshal.h
-
-# rpc_headers = fcall-impr.h searpc-fcall.h searpc-dfun.h searpc-signature.h searpc-marshal.h
-
 AM_CFLAGS = @GLIB_CFLAGS@ \
 	-I${top_builddir}/lib \
 	-I${top_srcdir}/json-glib \
 	-I${top_srcdir}/lib \
 	-DG_LOG_DOMAIN=\"Searpc\"
 
-# we need to generate the  first
-BUILT_SOURCES = gensource
-
 lib_LTLIBRARIES = libsearpc.la
 
-include_HEADERS = searpc-client.h \
-	searpc-server.h searpc-signature.h searpc-utils.h
+include_HEADERS = searpc-client.h searpc-server.h searpc-utils.h searpc.h
 
-noinst_HEADERS = searpc-utils.h marshal.h
-
-libsearpc_la_SOURCES = searpc-client.c searpc-server.c $(generated_sources)
+libsearpc_la_SOURCES = searpc-client.c searpc-server.c
 
 libsearpc_la_LDFLAGS =  -version-info 1:2:0  -no-undefined
 
@@ -35,14 +25,3 @@ libsearpc_la_LIBADD = @GLIB_LIBS@ \
 	${top_builddir}/json-glib/json-glib/libsearpc-json-glib.la
 
 dist_bin_SCRIPTS = searpc-codegen.py
-
-EXTRA_DIST = rpc_table.py
-
-gensource: ${generated_sources}
-
-${generated_sources}: searpc-codegen.py rpc_table.py
-	@echo "[libsearpc]: generating rpc header files"
-	python searpc-codegen.py rpc_table.py
-	@echo "[libsearpc]: done"
-
-DISTCLEANFILES = ${generated_sources}
diff --git a/lib/rpc_table.py b/lib/rpc_table.py
deleted file mode 100644
index de63659..0000000
--- a/lib/rpc_table.py
+++ /dev/null
@@ -1,51 +0,0 @@
-"""
-Define RPC functions needed to generate
-"""
-
-# [ <ret-type>, [<arg_types>] ]
-func_table = [
-    [ "int", [] ],
-    [ "int", ["int"] ],
-    [ "int", ["int", "int"] ],
-    [ "int", ["int", "string"] ],
-    [ "int", ["int", "string", "string"] ],
-    [ "int", ["int", "string", "int"] ],    
-    [ "int", ["int", "string", "int", "int"] ],    
-    [ "int", ["string"] ],
-    [ "int", ["string", "int"] ],
-    [ "int", ["string", "int", "string"] ],
-    [ "int", ["string", "int", "string", "string"] ],    
-    [ "int", ["string", "string"] ],
-    [ "int", ["string", "string", "string"] ],
-    [ "int", ["string", "string", "int", "int"] ],
-    [ "int", ["string", "string", "string", "string"] ],
-    [ "int", ["string", "string", "string", "string", "string"] ],
-    [ "int64", [] ],
-    [ "int64", ["string"] ],
-    [ "string", [] ],
-    [ "string", ["int"] ],
-    [ "string", ["string"] ],
-    [ "string", ["string", "int"] ],
-    [ "string", ["string", "string"] ],
-    [ "string", ["string", "string", "string"] ],
-    [ "string", ["string", "string", "string", "string"] ],
-    [ "string", ["string", "string", "string", "string", "int"] ],
-    [ "string", ["string", "string", "string", "string", "string"] ],
-    [ "string", ["string", "string", "string", "string", "string", "string"] ],
-    [ "string", ["string", "string", "string", "string", "string", "int"] ],
-    [ "objlist", [] ],
-    [ "objlist", ["int"] ],
-    [ "objlist", ["int", "int"] ],
-    [ "objlist", ["int", "int", "int"] ],
-    [ "objlist", ["string"] ],        
-    [ "objlist", ["string", "int"] ],
-    [ "objlist", ["string", "int", "int"] ],
-    [ "objlist", ["string", "string"] ],        
-    [ "objlist", ["string", "string", "string"] ],
-    [ "objlist", ["string", "string", "int"] ],
-    [ "objlist", ["string", "string", "int", "int"] ],
-    [ "object", [] ],
-    [ "object", ["int"] ],
-    [ "object", ["string"] ],
-    [ "object", ["string", "string"] ],
-]
diff --git a/lib/searpc-codegen.py b/lib/searpc-codegen.py
index 85aa4aa..7e41cfe 100644
--- a/lib/searpc-codegen.py
+++ b/lib/searpc-codegen.py
@@ -6,6 +6,7 @@ Generate function define macros.
 
 import string
 import sys
+import os
 
 
 # type -> (<c type if used as parameter>, <c type if used as ret type>,
@@ -17,31 +18,31 @@ type_table = {
     "string": ("const gchar*",
                "gchar*", 
                "json_array_get_string_or_null_element",
-               "set_string_to_ret_object",
+               "searpc_set_string_to_ret_object",
                "json_array_add_string_or_null_element",
                "NULL"),
     "int": ("int", 
             "int", 
             "json_array_get_int_element",
-            "set_int_to_ret_object",
+            "searpc_set_int_to_ret_object",
             "json_array_add_int_element",
             "-1"),
     "int64": ("gint64", 
               "gint64", 
               "json_array_get_int_element",
-              "set_int_to_ret_object",
+              "searpc_set_int_to_ret_object",
               "json_array_add_int_element",
               "-1"),
     "object": ("GObject*", 
                "GObject*",
                "",
-               "set_object_to_ret_object",
+               "searpc_set_object_to_ret_object",
                "",
                "NULL"),
     "objlist": ("GList*",
                 "GList*",
                 "",
-                "set_objlist_to_ret_object",
+                "searpc_set_objlist_to_ret_object",
                 "",
                 "NULL"),
 }
@@ -56,7 +57,7 @@ ${get_parameters}
 
     JsonObject *object = json_object_new ();
     ${convert_ret}
-    return marshal_set_ret_common (object, ret_len, error);
+    return searpc_marshal_set_ret_common (object, ret_len, error);
 }
 """
 
@@ -101,7 +102,7 @@ def generate_marshal(ret_type, arg_types):
 
 def gen_marshal_functions():
     from rpc_table import func_table
-    f = open('marshal.h', 'w')
+    f = open('searpc-marshal.h', 'w')
     for item in func_table:
         print >>f, generate_marshal(item[0], item[1])
     f.close()
@@ -131,7 +132,7 @@ def generate_marshal_register_item(ret_type, arg_types):
 
 def gen_marshal_register_function():
     from rpc_table import func_table
-    f = open('marshal.h', 'a')
+    f = open('searpc-marshal.h', 'a')
     print >>f, "static void register_marshals()"""
     print >>f, "{"
     for item in func_table:
@@ -173,6 +174,7 @@ def gen_signature_list():
 
 
 if __name__ == "__main__":
+    sys.path.append(os.getcwd())
     gen_marshal_functions()
     gen_marshal_register_function()
     gen_signature_list()
diff --git a/lib/searpc-server.c b/lib/searpc-server.c
index 0626a12..cbafb0d 100644
--- a/lib/searpc-server.c
+++ b/lib/searpc-server.c
@@ -5,8 +5,6 @@
 #include <string.h>
 #include <stdarg.h>
 
-#include "json-glib/json-glib.h"
-
 #include "searpc-server.h"
 #include "searpc-utils.h"
 
@@ -87,8 +85,8 @@ searpc_remove_service (const char *svc_name)
 }
 
 /* Marshal functions */
-static inline void
-set_string_to_ret_object (JsonObject *object, gchar *ret)
+void
+searpc_set_string_to_ret_object (JsonObject *object, gchar *ret)
 {
     if (ret == NULL)
         json_object_set_null_member (object, "ret");
@@ -98,14 +96,14 @@ set_string_to_ret_object (JsonObject *object, gchar *ret)
     }
 }
 
-static inline void
-set_int_to_ret_object (JsonObject *object, gint64 ret)
+void
+searpc_set_int_to_ret_object (JsonObject *object, gint64 ret)
 {
     json_object_set_int_member (object, "ret", ret);
 }
 
-static inline void
-set_object_to_ret_object (JsonObject *object, GObject *ret)
+void
+searpc_set_object_to_ret_object (JsonObject *object, GObject *ret)
 {
     if (ret == NULL)
         json_object_set_null_member (object, "ret");
@@ -115,8 +113,8 @@ set_object_to_ret_object (JsonObject *object, GObject *ret)
     }
 }
 
-static inline void
-set_objlist_to_ret_object (JsonObject *object, GList *ret)
+void
+searpc_set_objlist_to_ret_object (JsonObject *object, GList *ret)
 {
     GList *ptr;
     
@@ -134,8 +132,8 @@ set_objlist_to_ret_object (JsonObject *object, GList *ret)
     }
 }
 
-static gchar *
-marshal_set_ret_common (JsonObject *object, gsize *len, GError *error)
+gchar *
+searpc_marshal_set_ret_common (JsonObject *object, gsize *len, GError *error)
 {
     JsonNode *root = json_node_new (JSON_NODE_OBJECT);
     JsonGenerator *generator = json_generator_new ();
@@ -158,7 +156,7 @@ marshal_set_ret_common (JsonObject *object, gsize *len, GError *error)
     return data;
 }
 
-static gchar *
+gchar *
 error_to_json (int code, const char *msg, gsize *len)
 {
     JsonObject *object = json_object_new ();
@@ -181,19 +179,15 @@ error_to_json (int code, const char *msg, gsize *len)
     return data;
 }
 
-/* include the generated marshal functions */
-#include "marshal.h"
-
 void
-searpc_server_init ()
+searpc_server_init (RegisterMarshalFunc register_func)
 {
     marshal_table = g_hash_table_new_full (g_str_hash, g_str_equal,
                                            NULL, (GDestroyNotify)marshal_item_free);
     service_table = g_hash_table_new_full (g_str_hash, g_str_equal,
                                            NULL, (GDestroyNotify)service_free);
 
-    /* register buildin marshal functions */
-    register_marshals();
+    register_func ();
 }
 
 void
diff --git a/lib/searpc-server.h b/lib/searpc-server.h
index 66438fc..45d2932 100644
--- a/lib/searpc-server.h
+++ b/lib/searpc-server.h
@@ -2,6 +2,7 @@
 #define SEARPC_SERVER_H
 
 #include <glib.h>
+#include <json-glib/json-glib.h>
 
 #ifndef DFT_DOMAIN
 #define DFT_DOMAIN g_quark_from_string(G_LOG_DOMAIN)
@@ -10,13 +11,20 @@
 struct _JsonArray;
 typedef gchar* (*SearpcMarshalFunc) (void *func, struct _JsonArray *param_array,
     gsize *ret_len);
+typedef void (*RegisterMarshalFunc) (void);
+
+void searpc_set_string_to_ret_object (JsonObject *object, gchar *ret);
+void searpc_set_int_to_ret_object (JsonObject *object, gint64 ret);
+void searpc_set_object_to_ret_object (JsonObject *object, GObject *ret);
+void searpc_set_objlist_to_ret_object (JsonObject *object, GList *ret);
+gchar *searpc_marshal_set_ret_common (JsonObject *object, gsize *len, GError *error);
 
 /**
  * searpc_server_init:
  *
  * Inititalize searpc server.
  */
-void searpc_server_init ();
+void searpc_server_init (RegisterMarshalFunc register_func);
 
 /**
  * searpc_server_final:
@@ -89,7 +97,4 @@ gchar *searpc_server_call_function (const char *service,
  */
 char* searpc_compute_signature (gchar *ret_type, int pnum, ...);
 
-/* Signatures */
-#include <searpc-signature.h>
-
 #endif
diff --git a/lib/searpc.h b/lib/searpc.h
new file mode 100644
index 0000000..c029ceb
--- /dev/null
+++ b/lib/searpc.h
@@ -0,0 +1,10 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+#ifndef SEARPC_H
+#define SEARPC_H
+
+#include <searpc-client.h>
+#include <searpc-server.h>
+#include <searpc-utils.h>
+
+#endif