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/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
#include <errno.h>
#include <signal.h>
int
sigismember(const sigset_t *_set, int _signo)
{
if (_set == 0)
{
errno = EINVAL;
return -1;
}
if (_signo < 0 || _signo >= 320)
return 0;
return _set->__bits[_signo >> 5] & (1U<<(_signo&31)) ? 1 : 0;
}