IS_INVALID_SOCKET 409 ext/sockets/sockets.c if (!IS_INVALID_SOCKET(php_sock)) { IS_INVALID_SOCKET 443 ext/sockets/sockets.c if (IS_INVALID_SOCKET(sock)) { IS_INVALID_SOCKET 477 ext/sockets/sockets.c if (IS_INVALID_SOCKET(out_sock)) { IS_INVALID_SOCKET 1363 ext/sockets/sockets.c if (IS_INVALID_SOCKET(php_sock)) {