4.3BSD - /usr/src/lib/libc/vax/sys/cerror.c

   1: /*
   2:  * Copyright (c) 1983 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifdef SYSLIBC_SCCS
   8: _sccsid:.asciz  "@(#)cerror.c	5.3 (Berkeley) 3/9/86"
   9: #endif SYSLIBC_SCCS
  10: 
  11: #include "SYS.h"
  12: 
  13:     .globl  _errno
  14: cerror:
  15:     movl    r0,_errno
  16:     mnegl   $1,r0
  17:     ret