Handling UNIX signals
/* - shows how a signal handler works.
* - run this and press Ctrl-C a few times
*/
#include <stdio.h>
#include <signal.h>
main()
{
void f(int); /* declare the handler */
int i;
signal( SIGINT, f ); /* install the handler */
for(i=0; i<5; i++ ){ /* do something else */
printf("hello\n");
sleep(1);
}
}
void f(int signum) /* this function is called */
{
printf("OUCH!\n");
}