Sigfunc           554 ext/pcntl/pcntl.c 		if (php_signal(signo, (Sigfunc *) Z_LVAL_P(handle), (int) restart_syscalls) == SIG_ERR) {
Sigfunc            25 ext/pcntl/php_signal.c Sigfunc *php_signal(int signo, Sigfunc *func, int restart)
Sigfunc            26 ext/pcntl/php_signal.h Sigfunc *php_signal(int signo, Sigfunc *func, int restart);