Meg's Mirrors

zig

1	#include <unistd.h>
2	#include <sys/time.h>
3	#include "syscall.h"
4
5	unsigned alarm(unsigned seconds)
6	{
7	struct itimerval it = { .it_value.tv_sec = seconds }, old = { 0 };
8	setitimer(ITIMER_REAL, &it, &old);
9	return old.it_value.tv_sec + !!old.it_value.tv_usec;
10	}