onsusp
act.sa_handler = onsusp;
(void) signal(SIGTSTP, onsusp);
onsusp(SIGSTOP);
void onsusp(int sig);
signal(SIGTSTP, onsusp);
void onsusp(int sig);
signal (SIGTSTP, onsusp);
signal(SIGTSTP, onsusp);
static void onsusp();
(void) signal(SIGTSTP, (void (*)(int))onsusp);
(void) signal(SIGTSTP, (void (*))onsusp);
(void) signal(SIGTSTP, onsusp);
(void) signal(SIGTSTP, onsusp);
signal(SIGTSTP, onsusp), dosusp++;
void onsusp(int);
onsusp(0);
signal(SIGTSTP, onsusp);
signal(SIGTSTP, onsusp);
signal(SIGTSTP, onsusp);