9704 move socket functions to libc

@@ -27,12 +27,15 @@
  * Use is subject to license terms.
  */
 
         .file   "_so_shutdown.s"
 
-/* C library -- _so_shutdown                                    */
-/* int _so_shutdown (int fildes, int how, int vers);            */
+/*
+ * C library -- _so_shutdown
+ *
+ * int _so_shutdown (int, int, int);
+ */
 
 #include "SYS.h"
 
         SYSCALL2_RVAL1(_so_shutdown,shutdown)
         RET