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#include <signal.h>
#include <stddef.h>
#include "syscall.h"
#include "libc.h"
int __sigaction(int, const struct sigaction *, struct sigaction *);
void (*signal(int sig, void (*func)(int)))(int)
{
struct sigaction sa = { .sa_handler = func, .sa_flags = SA_RESTART };
if (__sigaction(sig, &sa, &sa) < 0)
return SIG_ERR;
return sa.sa_handler;
}
weak_alias(signal, bsd_signal);
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