| /* Set the disposition of SIG to SIG_IGN. | 
 |    Copyright (C) 1998, 2005 Free Software Foundation, Inc. | 
 |    This file is part of the GNU C Library. | 
 |    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. | 
 |  | 
 |    The GNU C Library is free software; you can redistribute it and/or | 
 |    modify it under the terms of the GNU Lesser General Public | 
 |    License as published by the Free Software Foundation; either | 
 |    version 2.1 of the License, or (at your option) any later version. | 
 |  | 
 |    The GNU C Library is distributed in the hope that it will be useful, | 
 |    but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 |    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
 |    Lesser General Public License for more details. | 
 |  | 
 |    You should have received a copy of the GNU Lesser General Public | 
 |    License along with the GNU C Library; if not, write to the Free | 
 |    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | 
 |    02111-1307 USA.  */ | 
 |  | 
 | #include <errno.h> | 
 | #define __need_NULL | 
 | #include <stddef.h> | 
 | #include <signal.h> | 
 | #include <string.h>	/* For the real memset prototype.  */ | 
 |  | 
 |  | 
 | int sigignore (int sig) | 
 | { | 
 |   struct sigaction act; | 
 |  | 
 |   memset(&act, 0, sizeof(act)); | 
 |   act.sa_handler = SIG_IGN; | 
 |  | 
 |   return sigaction (sig, &act, NULL); | 
 | } |