9704 move socket functions to libc

*** 27,38 ****
   * 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) */
  
  #include "SYS.h"
  
          SYSCALL2_RESTART_RVAL1(__so_send,send)
          RET
--- 27,41 ----
   * Use is subject to license terms.
   */
  
          .file   "_so_send.s"
  
! /*
!  * C library -- __so_send
!  *
!  * ssize_t __so_send(int, const void *, size_t, int)
!  */
  
  #include "SYS.h"
  
          SYSCALL2_RESTART_RVAL1(__so_send,send)
          RET