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 Program to catch Ctrl+C.

Program to catch Ctrl+C. /* * A small program that catches the ctrl-c(SIGINT) signal for the first time and prints * a output rather but exits on pressing ctrl-c again */ #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <signal.h> void sigfun(int sig) { printf("You have presses Ctrl-C , please press again to exit"); (void) signal(SIGINT, SIG_DFL); } int main() { (void) signal(SIGINT, sigfun); while(1) { printf("Hello World! "); sleep(1); } return(0); }



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