/* ignore.c */
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>

int main(void)
{
 int i = 0;

 if (signal(SIGINT,SIG_IGN) == SIG_ERR)
     fprintf(stderr,"Signal SIGINT non ignore\n");

 for(i=1;i<=3;i++) { 
    fprintf(stdout,"hello %d\n",i);
    sleep(2);
 }

 return EXIT_SUCCESS;
}