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#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
typedef void (*sig_handler) (int);
void
kill_me(int s) {
puts("\n\nGoodbye cruel world...\n");
exit(99);
}
int
change_signal(int sig, sig_handler handler) {
struct sigaction action = {
.sa_handler = handler,
.sa_flags = 0,
};
sigemptyset(&action.sa_mask);
return sigaction(sig, &action, NULL);
}
int
main(void) {
char name[30];
if (change_signal(SIGINT, kill_me) < 0) {
fprintf(stderr, "Couldn't change SIGINT action\n");
exit(1);
}
printf("Enter your name: ");
fgets(name, 30, stdin);
printf("Hello %s\n", name);
return 0;
}
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