Page History

#include <signal.h>
#include <stdlib.h>
#include <string.h>

char *err_msg;
enum { MAX_MSG_SIZE = 24 };

void handler(int signum) {
  strcpy(err_msg, "SIGINT encountered.");
}

int main(void) {

  signal(SIGINT, handler);

  err_msg = (char *)malloc(MAX_MSG_SIZE);
  if (err_msg == NULL) {
    /* Handle error condition */
  }
  strcpy(err_msg, "No errors yet.");

  /* Main code loop */

  return 0;
}