#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>

void handler(int signo) {
	printf("sig %d\n", signo);
	printf("prrr... \n", signo);
}

int main(int argc, char *argv[]) {
	printf("pid %d\n", getpid());
	signal(SIGINT, handler);
	for (int i = 0;;i++) {
		printf("waiting %d\n", i);
		sleep(1);
	}
}