1487 check_fd(const char *name, int mode, const char **emsgp)  in check_fd()  argument
1494 		return (coproc_getfd(mode, emsgp));  in check_fd()
1497 		if (emsgp)  in check_fd()
1498 			*emsgp = "illegal file descriptor name";  in check_fd()
1503 		if (emsgp)  in check_fd()
1504 			*emsgp = "bad file descriptor";  in check_fd()
1516 		if (emsgp)  in check_fd()
1517 			*emsgp = (fl == O_WRONLY) ?  in check_fd()
1576 coproc_getfd(int mode, const char **emsgp)  in coproc_getfd()  argument
1582 	if (emsgp)  in coproc_getfd()
1583 		*emsgp = "no coprocess";  in coproc_getfd()