获取本地的“物理”网卡的IP地址和MAC地址，并区分是有线设备，还是无线设备！函数已经封装好，直接可以调用。发现BUG请反馈，多谢！-Get local " physical" network card IP address and MAC address, and distinction is wired devices, or wireless device! Functions have been packaged well, can be called directly

利用DNS类和WMI获取设备的IP地址和MAC地址-WMI classes and the use of DNS to obtain the IP address and MAC address

c语言实现的http上传文件代码，并获取设备的ip地址，mac地址，根据mac地址获取随机数(C language to achieve HTTP upload file code, and get the IP address of the device, MAC address, according to the MAC address to get the random number.)