小宋的专栏

The function is as follow:BOOL getLocalIP(CString &cstrIP){    char strHostname[MAX_PATH] = {0};    hostent* pHost = NULL;     if (SOCKET_ERROR == gethostname(strHostname, sizeof(strHostna

usages of selecta)      test the socket statusb)      Set interval time, a way of timeout control.Prototype:int select(  int nfds,                             fd_set FAR *readfds,                

1.      WSAStartup(), WSACleanup()int PASCAL WSAStartup(WORD,LPWSADATA);int PASCAL WSACleanup(void);You should only need to call these functions once each, the former when you initialize Winsock

  When writing the socket program with blocking socket functions, in most cases you need to start a thread to accept connection or write and read data. Here are basic ways to end a thread:    1,

Undoubtedly socket BIO is a splendid socket interface implemented in C language, to some extent it have Object Oriented Programming thinking in C language, and provides more OS compatibility. Well

Under some circumstances you need to control the speed of sending or receiving data in network. The speed of network is always measured by kbps, which means how many bits to send within one second.

Just use GetAdaptersInfo() defined in iphlpapi.h, Link to Iphlpapi.lib.In the struct IP_ADAPTER_INFO you may get adaptor’s MAC, IPv4 addresses, gateways, and secondary WINS servers and so on. The Ad