Linux® Socket Programming

Appendix B. Networking API

In This Appendix

• Connecting to the Network

• Communicating on a Channel

• Terminating Connections

• Network Data Conversions

• Network Addressing Tools

• Socket Controls

This appendix groups all the networking library and system calls.

Connecting to the Network

The Sockets API provides tools to help you create sockets and connect to other hosts. This section describes the API relevant to socket creation and connection.

socket()

socket() creates a bidirectional channel that typically connects with the network. You can use this channel with network-specific system calls or general file I/O.

Prototype

#include <resolv.h>
#include <sys/socket.h>
#include <sys/types.h>int socket(int domain, int type, int protocol);

Return Value

If successful, the ...