Windows Network API

Berkeley Compatible Sockets function similar to UNIx.  It is implemented in the Winsock libraries, primarily in ws2_32.dll.  Common socket functions:

socket - create a socket

bind - attach a socket to a port

listen - start a socket to listen to a port

accept - open a connection to a remote socket and accept the connection

connect - open a connection to a remote socket which is waiting for a connection

recv - receive data

send - send data

Prior to use these function, the WSAStartup function must be call to load the network library and allocate resources.

WinINet is a higher level API which implement HTTP and FTP protocols.  It is implemented in Wininet.dll.

InternetOpen - initialize a connect to Internet

InternetOpen Url - open a connection to HTTP or FTP site

InternetReadFile - retrieve a file from the site