diff --git a/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/sys/socket.h b/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/sys/socket.h
index 614ca07..d8f5072 100644
--- a/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/sys/socket.h
+++ b/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/sys/socket.h
@@ -18,3 +18,4 @@
 #define recv w32_recv
 #define send w32_send
 #define shutdown w32_shutdown
+#define socketpair w32_socketpair
diff --git a/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/unistd.h b/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/unistd.h
index 5161076..4888ba5 100644
--- a/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/unistd.h
+++ b/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/unistd.h
@@ -14,3 +14,5 @@
 #define close w32_close
 #define dup w32_dup
 #define dup2 w32_dup2
+
+#define sleep(sec) Sleep(1000 * sec)
\ No newline at end of file
diff --git a/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/w32posix.h b/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/w32posix.h
index ec45d56..43cd2a1 100644
--- a/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/w32posix.h
+++ b/contrib/win32/w32-posix-prototype/win32posix/win32posix/inc/w32posix.h
@@ -33,6 +33,7 @@ int w32_connect(int fd, const struct sockaddr* name, int namelen);
 int w32_recv(int fd, void *buf, size_t len, int flags);
 int w32_send(int fd, const void *buf, size_t len, int flags);
 int w32_shutdown(int fd, int how);
+int w32_socketpair(int domain, int type, int sv[2]);
 
 /*non-network (file) i/o*/
 #define fdopen w32_fdopen
@@ -53,4 +54,30 @@ int w32_dup(int oldfd);
 int w32_dup2(int oldfd, int newfd);
 
 
+/* Shutdown constants */
+#define SHUT_WR SD_SEND
+#define SHUT_RD SD_RECEIVE
+#define SHUT_RDWR SD_BOTH
+
+/* Other constants */
+#define IN_LOOPBACKNET	127 /* 127.* is the loopback network */
+#define MAXHOSTNAMELEN	64
+
+
+/* Errno helpers */
+#ifndef EXX
+#define EXX			WSAEMFILE
+#endif
+#ifndef EXX1
+#define EXX1			WSAENOBUFS
+#endif
+#ifndef ESOCKTNOSUPPORT
+#define	ESOCKTNOSUPPORT         WSAESOCKTNOSUPPORT
+#endif
+#ifndef ENOTUNREACH
+#define ENOTUNREACH		WSAENOTUNREACH
+#endif
+#ifndef EPFNOSUPPORT
+#define EPFNOSUPPORT	        WSAEPFNOSUPPORT
+#endif
 
diff --git a/contrib/win32/w32-posix-prototype/win32posix/win32posix/w32fd.c b/contrib/win32/w32-posix-prototype/win32posix/win32posix/w32fd.c
index 19895da..77b737c 100644
--- a/contrib/win32/w32-posix-prototype/win32posix/win32posix/w32fd.c
+++ b/contrib/win32/w32-posix-prototype/win32posix/win32posix/w32fd.c
@@ -271,6 +271,13 @@ w32_shutdown(int fd, int how) {
 	return socketio_shutdown(fd_table.w32_ios[fd], how);
 }
 
+int 
+w32_socketpair(int domain, int type, int sv[2]) {
+	errno = ENOTSUP;
+	debug("ERROR:%d", errno);
+	return -1;
+}
+
 
 int
 w32_pipe(int *pfds) {