cmdabort
oldintr = signal(SIGINT, cmdabort);
oldintr = signal(SIGINT, cmdabort);
if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN)
static void cmdabort(int sig);
cmdabort(SIGINT);
cmdabort(SIGINT);
cmdabort(SIGINT);
cmdabort(SIGINT);
cmdabort(SIGINT);
act.sa_handler = cmdabort;
cmdabort(SIGINT);
void cmdabort(int sig);