diff --git a/moo/mod/sck-addr.c b/moo/mod/sck-addr.c
new file mode 100644
index 0000000..4ad2aba
--- /dev/null
+++ b/moo/mod/sck-addr.c
@@ -0,0 +1,119 @@
+/*
+ * $Id$
+ *
+    Copyright (c) 2014-2017 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.
+ */
+ 
+#include "_sck.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <string.h>
+
+
+#define C MOO_METHOD_CLASS
+#define I MOO_METHOD_INSTANCE
+
+#define MA MOO_TYPE_MAX(moo_oow_t)
+
+typedef struct sck_addr_trailer_t sck_addr_trailer_t;
+
+struct sck_addr_trailer_t
+{
+	int family;
+	union
+	{
+		struct
+		{
+			moo_uint16_t port;
+			moo_uint32_t addr;
+		} in4;
+		struct
+		{
+			moo_uint16_t port;
+			moo_uint8_t addr[16];
+			moo_uint32_t scope;
+		} in6;
+
+		/*
+		struct
+		{
+			moo_ooch_t path[100];
+		} local; */
+	};
+};
+
+
+
+static moo_pfrc_t pf_from_string (moo_t* moo, moo_ooi_t nargs)
+{
+	moo_oop_t rcv;
+	sck_addr_trailer_t* tr;
+
+	rcv = (moo_oop_t)MOO_STACK_GETRCV(moo, nargs);
+	
+	tr = moo_getobjtrailer (moo, MOO_STACK_GETRCV(moo,nargs), MOO_NULL);
+	//if (tr->event)
+	
+	
+	return MOO_PF_SUCCESS;
+}
+
+static moo_pfinfo_t pfinfos[] =
+{
+	{ I, { 'f','r','o','m','S','t','r','i','n','g',':','\0' },  0, { pf_from_string,    1, 1  }  },
+};
+
+/* ------------------------------------------------------------------------ */
+
+static int import (moo_t* moo, moo_mod_t* mod, moo_oop_class_t _class)
+{
+	if (moo_setclasstrsize (moo, _class, MOO_SIZEOF(sck_addr_trailer_t), MOO_NULL) <= -1) return -1;
+	return 0;
+}
+
+static moo_pfbase_t* query (moo_t* moo, moo_mod_t* mod, const moo_ooch_t* name, moo_oow_t namelen)
+{
+	return moo_findpfbase (moo, pfinfos, MOO_COUNTOF(pfinfos), name, namelen);
+}
+
+static void unload (moo_t* moo, moo_mod_t* mod)
+{
+	/* TODO: anything? close open open dll handles? For that, pf_open must store the value it returns to mod->ctx or somewhere..*/
+}
+
+int moo_mod_sck_addr (moo_t* moo, moo_mod_t* mod)
+{
+	mod->import = import;
+	mod->query = query;
+	mod->unload = unload; 
+	mod->ctx = MOO_NULL;
+	return 0;
+}
+