杰理之MQTT接口说明【篇】
网络接口初始化函数void NewNetwork(Network *n)描述网络接口初始化参数n：Network结构体指针返回值void客户端初始化函数void MQTTClient(Client *c, Network *network, unsigned int command_timeout_ms, unsigned char *buf, size_t buf_size, unsigned char *readbuf, size_t readbuf_size)描述客户端初始化
