/* Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. 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> #include <signal.h> #define __need_NULL #include <stddef.h> /* Combine sets LEFT and RIGHT by logical AND and place result in DEST. */ int sigandset (dest, left, right) sigset_t *dest; const sigset_t *left; const sigset_t *right; { if (dest == NULL || left == NULL || right == NULL) { __set_errno (EINVAL); return -1; } return __sigandset (dest, left, right); }