9704 move socket functions to libc

@@ -27,12 +27,15 @@
  * Use is subject to license terms.
  */
 
         .file   "_so_send.s"
 
-/* C library -- __so_send                                               */
-/* int __so_send(int socket, const void *buffer, size_t len, int flags) */
+/*
+ * C library -- __so_send
+ *
+ * ssize_t __so_send(int, const void *, size_t, int)
+ */
 
 #include "SYS.h"
 
         SYSCALL2_RESTART_RVAL1(__so_send,send)
         RET