#include <stdio.h>
#include <sys/types.h>
#include <signal.h>
#include <unistd.h>

void catch_ctlc( int sig_num )
{
  printf( "Przechwycono Control-C\n" );
}

int main()
{
	unsigned n = 3;
	signal( SIGINT, catch_ctlc );
	while (1)
	{
		printf("Dzialam ...\n");
		sleep(n);
	}

	return 0;
}