Index: uspace/lib/c/include/net/socket_codes.h
===================================================================
--- uspace/lib/c/include/net/socket_codes.h	(revision 058edb65425eee0ae717ce76dd285e73f72faeeb)
+++ uspace/lib/c/include/net/socket_codes.h	(revision 058edb65425eee0ae717ce76dd285e73f72faeeb)
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2009 Lukas Mejdrech
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * 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.
+ */
+
+/** @addtogroup libc 
+ *  @{
+ */
+
+/** @file
+ *  Socket codes and definitions.
+ *  This is a part of the network application library.
+ */
+
+#ifndef LIBC_SOCKET_CODES_H_
+#define LIBC_SOCKET_CODES_H_
+
+#include <sys/types.h>
+
+/** @name Address families definitions */
+/*@{*/
+
+enum {
+	AF_UNKNOWN = 0,
+	AF_INET,	/* IPv4 address */
+	AF_INET6	/* IPv6 address */
+};
+
+/*@}*/
+
+/** @name Protocol families definitions
+ *  Same as address families.
+ */
+/*@{*/
+
+#define PF_INET		AF_INET
+#define PF_INET6	AF_INET6
+
+/*@}*/
+
+/** Socket types.
+ */
+typedef enum sock_type {
+	/** Stream (connection oriented) socket. */
+	SOCK_STREAM = 1,
+	/** Datagram (connectionless oriented) socket. */
+	SOCK_DGRAM = 2,
+	/** Raw socket. */
+	SOCK_RAW = 3
+} sock_type_t;
+
+/** Type definition of the socket length. */
+typedef int32_t	socklen_t;
+
+#endif
+
+/** @}
+ */