diff --git a/reactos/lib/drivers/oskittcp/include/oskittcp.h b/reactos/lib/drivers/oskittcp/include/oskittcp.h
index 8f49a22d5b6..b5242fe03a9 100644
--- a/reactos/lib/drivers/oskittcp/include/oskittcp.h
+++ b/reactos/lib/drivers/oskittcp/include/oskittcp.h
@@ -162,6 +162,8 @@ int OskitTCPSetSockOpt(void *socket,
                        char *buffer,
                        int size);
 
+int OskitTCPDisconnect(void *socket);
+
 #undef errno
 
 void *fbsd_malloc( unsigned int bytes, char *file, unsigned line, ... );
@@ -182,4 +184,7 @@ void fbsd_free( void *data, char *file, unsigned line, ... );
 #define OSK_MSG_PEEK     0x02
 #define OSK_MSG_DONTWAIT 0x80
 
+#define	FREAD		0x0001
+#define	FWRITE		0x0002
+
 #endif/*OSKITTCP_H*/
diff --git a/reactos/lib/drivers/oskittcp/oskittcp/interface.c b/reactos/lib/drivers/oskittcp/oskittcp/interface.c
index 3047d5b8801..a1d3e89e3de 100644
--- a/reactos/lib/drivers/oskittcp/oskittcp/interface.c
+++ b/reactos/lib/drivers/oskittcp/oskittcp/interface.c
@@ -236,6 +236,14 @@ done:
     return (error);
 }
 
+int OskitTCPDisconnect(void *socket)
+{
+    if (!socket)
+        return OSK_ESHUTDOWN;
+
+    return sodisconnect(socket);
+}
+
 int OskitTCPShutdown( void *socket, int disconn_type ) {
     if (!socket)
         return OSK_ESHUTDOWN;