--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/druntime/import/stdc/posix/netinet/in_.d	Wed Nov 12 00:19:18 2008 +0100
@@ -0,0 +1,327 @@
+/**
+ * D header file for POSIX.
+ *
+ * Copyright: Public Domain
+ * License:   Public Domain
+ * Authors:   Sean Kelly
+ * Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition
+ */
+module stdc.posix.netinet.in_;
+
+private import stdc.posix.config;
+public import stdc.inttypes : uint32_t, uint16_t, uint8_t;
+public import stdc.posix.arpa.inet;
+public import stdc.posix.sys.socket; // for sa_family_t
+
+extern (C):
+
+//
+// Required
+//
+/*
+NOTE: The following must must be defined in stdc.posix.arpa.inet to break
+      a circular import: in_port_t, in_addr_t, struct in_addr, INET_ADDRSTRLEN.
+
+in_port_t
+in_addr_t
+
+sa_family_t // from stdc.posix.sys.socket
+uint8_t     // from stdc.inttypes
+uint32_t    // from stdc.inttypes
+
+struct in_addr
+{
+    in_addr_t   s_addr;
+}
+
+struct sockaddr_in
+{
+    sa_family_t sin_family;
+    in_port_t   sin_port;
+    in_addr     sin_addr;
+}
+
+IPPROTO_IP
+IPPROTO_ICMP
+IPPROTO_TCP
+IPPROTO_UDP
+
+INADDR_ANY
+INADDR_BROADCAST
+
+INET_ADDRSTRLEN
+
+htonl() // from stdc.posix.arpa.inet
+htons() // from stdc.posix.arpa.inet
+ntohl() // from stdc.posix.arpa.inet
+ntohs() // from stdc.posix.arpa.inet
+*/
+
+version( linux )
+{
+    private const __SOCK_SIZE__ = 16;
+
+    struct sockaddr_in
+    {
+        sa_family_t sin_family;
+        in_port_t   sin_port;
+        in_addr     sin_addr;
+
+        /* Pad to size of `struct sockaddr'. */
+        ubyte[__SOCK_SIZE__ - sa_family_t.sizeof -
+              in_port_t.sizeof - in_addr.sizeof] __pad;
+    }
+
+    enum
+    {
+        IPPROTO_IP   = 0,
+        IPPROTO_ICMP = 1,
+        IPPROTO_TCP  = 6,
+        IPPROTO_UDP  = 17
+    }
+
+    const uint INADDR_ANY       = 0x00000000;
+    const uint INADDR_BROADCAST = 0xffffffff;
+}
+else version( darwin )
+{
+    private const __SOCK_SIZE__ = 16;
+
+    struct sockaddr_in
+    {
+        ubyte       sin_len;
+        sa_family_t sin_family;
+        in_port_t   sin_port;
+        in_addr     sin_addr;
+        ubyte[8]    sin_zero;
+    }
+
+    enum
+    {
+        IPPROTO_IP   = 0,
+        IPPROTO_ICMP = 1,
+        IPPROTO_TCP  = 6,
+        IPPROTO_UDP  = 17
+    }
+
+    const uint INADDR_ANY       = 0x00000000;
+    const uint INADDR_BROADCAST = 0xffffffff;
+}
+else version( freebsd )
+{
+    private const __SOCK_SIZE__ = 16;
+
+    struct sockaddr_in
+    {
+        ubyte       sin_len;
+        sa_family_t sin_family;
+        in_port_t   sin_port;
+        in_addr     sin_addr;
+        ubyte[8]    sin_zero;
+    }
+
+    enum
+    {
+        IPPROTO_IP   = 0,
+        IPPROTO_ICMP = 1,
+        IPPROTO_TCP  = 6,
+        IPPROTO_UDP  = 17
+    }
+
+    const uint INADDR_ANY       = 0x00000000;
+    const uint INADDR_BROADCAST = 0xffffffff;
+}
+
+
+//
+// IPV6 (IP6)
+//
+/*
+NOTE: The following must must be defined in stdc.posix.arpa.inet to break
+      a circular import: INET6_ADDRSTRLEN.
+
+struct in6_addr
+{
+    uint8_t[16] s6_addr;
+}
+
+struct sockaddr_in6
+{
+    sa_family_t sin6_family;
+    in_port_t   sin6_port;
+    uint32_t    sin6_flowinfo;
+    in6_addr    sin6_addr;
+    uint32_t    sin6_scope_id;
+}
+
+extern in6_addr in6addr_any;
+extern in6_addr in6addr_loopback;
+
+struct ipv6_mreq
+{
+    in6_addr    ipv6mr_multiaddr;
+    uint        ipv6mr_interface;
+}
+
+IPPROTO_IPV6
+
+INET6_ADDRSTRLEN
+
+IPV6_JOIN_GROUP
+IPV6_LEAVE_GROUP
+IPV6_MULTICAST_HOPS
+IPV6_MULTICAST_IF
+IPV6_MULTICAST_LOOP
+IPV6_UNICAST_HOPS
+IPV6_V6ONLY
+
+// macros
+int IN6_IS_ADDR_UNSPECIFIED(in6_addr*)
+int IN6_IS_ADDR_LOOPBACK(in6_addr*)
+int IN6_IS_ADDR_MULTICAST(in6_addr*)
+int IN6_IS_ADDR_LINKLOCAL(in6_addr*)
+int IN6_IS_ADDR_SITELOCAL(in6_addr*)
+int IN6_IS_ADDR_V4MAPPED(in6_addr*)
+int IN6_IS_ADDR_V4COMPAT(in6_addr*)
+int IN6_IS_ADDR_MC_NODELOCAL(in6_addr*)
+int IN6_IS_ADDR_MC_LINKLOCAL(in6_addr*)
+int IN6_IS_ADDR_MC_SITELOCAL(in6_addr*)
+int IN6_IS_ADDR_MC_ORGLOCAL(in6_addr*)
+int IN6_IS_ADDR_MC_GLOBAL(in6_addr*)
+*/
+
+version ( linux )
+{
+    struct in6_addr
+    {
+        union
+        {
+            uint8_t[16] s6_addr;
+            uint16_t[8] s6_addr16;
+            uint32_t[4] s6_addr32;
+        }
+    }
+
+    struct sockaddr_in6
+    {
+        sa_family_t sin6_family;
+        in_port_t   sin6_port;
+        uint32_t    sin6_flowinfo;
+        in6_addr    sin6_addr;
+        uint32_t    sin6_scope_id;
+    }
+
+    extern in6_addr in6addr_any;
+    extern in6_addr in6addr_loopback;
+
+    struct ipv6_mreq
+    {
+        in6_addr    ipv6mr_multiaddr;
+        uint        ipv6mr_interface;
+    }
+
+    enum : uint
+    {
+        IPPROTO_IPV6        = 41,
+
+        INET6_ADDRSTRLEN    = 46,
+
+        IPV6_JOIN_GROUP     = 20,
+        IPV6_LEAVE_GROUP    = 21,
+        IPV6_MULTICAST_HOPS = 18,
+        IPV6_MULTICAST_IF   = 17,
+        IPV6_MULTICAST_LOOP = 19,
+        IPV6_UNICAST_HOPS   = 16,
+        IPV6_V6ONLY         = 26
+    }
+
+    // macros
+    extern (D) int IN6_IS_ADDR_UNSPECIFIED( in6_addr* addr )
+    {
+        return (cast(uint32_t*) addr)[0] == 0 &&
+               (cast(uint32_t*) addr)[1] == 0 &&
+               (cast(uint32_t*) addr)[2] == 0 &&
+               (cast(uint32_t*) addr)[3] == 0;
+    }
+
+    extern (D) int IN6_IS_ADDR_LOOPBACK( in6_addr* addr )
+    {
+        return (cast(uint32_t*) addr)[0] == 0  &&
+               (cast(uint32_t*) addr)[1] == 0  &&
+               (cast(uint32_t*) addr)[2] == 0  &&
+               (cast(uint32_t*) addr)[3] == htonl( 1 );
+    }
+
+    extern (D) int IN6_IS_ADDR_MULTICAST( in6_addr* addr )
+    {
+        return (cast(uint8_t*) addr)[0] == 0xff;
+    }
+
+    extern (D) int IN6_IS_ADDR_LINKLOCAL( in6_addr* addr )
+    {
+        return ((cast(uint32_t*) addr)[0] & htonl( 0xffc00000 )) == htonl( 0xfe800000 );
+    }
+
+    extern (D) int IN6_IS_ADDR_SITELOCAL( in6_addr* addr )
+    {
+        return ((cast(uint32_t*) addr)[0] & htonl( 0xffc00000 )) == htonl( 0xfec00000 );
+    }
+
+    extern (D) int IN6_IS_ADDR_V4MAPPED( in6_addr* addr )
+    {
+        return (cast(uint32_t*) addr)[0] == 0 &&
+               (cast(uint32_t*) addr)[1] == 0 &&
+               (cast(uint32_t*) addr)[2] == htonl( 0xffff );
+    }
+
+    extern (D) int IN6_IS_ADDR_V4COMPAT( in6_addr* addr )
+    {
+        return (cast(uint32_t*) addr)[0] == 0 &&
+               (cast(uint32_t*) addr)[1] == 0 &&
+               (cast(uint32_t*) addr)[2] == 0 &&
+               ntohl( (cast(uint32_t*) addr)[3] ) > 1;
+    }
+
+    extern (D) int IN6_IS_ADDR_MC_NODELOCAL( in6_addr* addr )
+    {
+        return IN6_IS_ADDR_MULTICAST( addr ) &&
+               ((cast(uint8_t*) addr)[1] & 0xf) == 0x1;
+    }
+
+    extern (D) int IN6_IS_ADDR_MC_LINKLOCAL( in6_addr* addr )
+    {
+        return IN6_IS_ADDR_MULTICAST( addr ) &&
+               ((cast(uint8_t*) addr)[1] & 0xf) == 0x2;
+    }
+
+    extern (D) int IN6_IS_ADDR_MC_SITELOCAL( in6_addr* addr )
+    {
+        return IN6_IS_ADDR_MULTICAST(addr) &&
+               ((cast(uint8_t*) addr)[1] & 0xf) == 0x5;
+    }
+
+    extern (D) int IN6_IS_ADDR_MC_ORGLOCAL( in6_addr* addr )
+    {
+        return IN6_IS_ADDR_MULTICAST( addr) &&
+               ((cast(uint8_t*) addr)[1] & 0xf) == 0x8;
+    }
+
+    extern (D) int IN6_IS_ADDR_MC_GLOBAL( in6_addr* addr )
+    {
+        return IN6_IS_ADDR_MULTICAST( addr ) &&
+               ((cast(uint8_t*) addr)[1] & 0xf) == 0xe;
+    }
+}
+
+
+//
+// Raw Sockets (RS)
+//
+/*
+IPPROTO_RAW
+*/
+
+version (linux )
+{
+    const uint IPPROTO_RAW = 255;
+}