This section covers extensions to Windows Sockets 2 that are specific to TCP/IP protocols. It also describes aspects of base Windows Sockets 2 functions that require special consideration or which may exhibit unique behavior when using TCP/IP.
Fast Facts
| Protocol Name(s) | TCP, UDP |
| Description | Provides two transport services over the IP networking layer: UDP for unreliable datagrams, TCP for reliable, connection-oriented byte streams. |
| Address Family | AF_INET |
| Header File | WS2TCPIP.H |