Issue 102: Piping null to the server will crash it
static enum test_return test_binary_quitq(void) {
    return test_binary_quit_impl(PROTOCOL_BINARY_CMD_QUITQ);
}

static enum test_return test_binary_quitq(void) {
    return test_binary_quit_impl(PROTOCOL_BINARY_CMD_QUITQ);
}
