#include <stdio.h>
#include <signal.h>
#include <unistd.h>
/*
 * ouch -- show how a program can trap the Ctrl-C interrupt signal
 */
int main()
{
	int	i = 0;
	void ouch(int);

	signal(SIGINT, ouch);		/* call ouch() when I recv SIGINT */
	while(1){
		printf("hello\n");
		sleep(5);
		i++;
		if ( i == 6 ){
			printf("resetting response to SIGINT to default\n");
			signal(SIGINT, SIG_DFL);
		}
	}
	return 0;
}
void ouch(int n)
{
	static int times = 0;

	times++;
	printf("   \aOuch! for time number %d my arg was %d\n",times, n);
}