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Socket Programming

Terms

There are two types of address domains.

  • AF_UNIX: the unix domain for two processes which share a common file system, and
  • AF_INET: the Internet domain for any two hosts on the Internet.

There are two types of sockets.

  • a stream socket in which characters are read in a continuous stream as if from a file or pipe, and
  • a datagram socket, in which messages are read in chunks.

The two symbolic constants are SOCK_STREAM and SOCK_DGRAM.

There are two types of ports: