socket.h

Overview

Related Modules:

NET

Description:

Provides functions and data structures related to network operations.

For example, you can use the functions to send and receive network data, manage network addresses, and convert bytes.

Since:

1.0

Version:

1.0

Summary

Data Structures

Data Structure Name Description
sockaddr Describes the socket address information.

Macros

Macro Name and Value Description
SOL_SOCKET   1 Defines options for socket level.

Functions

Function Name Description
socket (int domain, int type, int protocol) int Creates a socket and returns its descriptor.
shutdown (int sockfd, int how) int Shuts down a socket.
bind (int sockfd, const struct sockaddr addr, socklen_t addrlen) int Binds a local protocol address to a socket.
connect (int sockfd, const struct sockaddr addr, socklen_t addrlen) int Initiates a connection to a socket.
listen (int sockfd, int backlog) int Listens for network connections.
accept (int sockfd, struct sockaddr __restrict addr, socklen_t restrict addrlen) int Accepts incoming connection requests.
getsockname (int fd, struct sockaddr restrict addr, socklen_t restrict len) int Retrieves the local address of the specified socket.
getpeername (int fd, struct sockaddr restrict addr, socklen_t restrict len) int Retrieves the peer address of the specified socket.
send (int fd, const void buf, size_t len, int flags) ssize_t Sends data to another socket.
recv (int fd, void buf, size_t len, int flags) ssize_t Receives data from another socket.
sendto (int fd, const void buf, size_t len, int flags, const struct sockaddr addr, socklen_t alen) ssize_t Sends data to another socket.
recvfrom (int fd, void *restrict buf, size_t len, int flags, struct sockaddr __restrict addr, socklen_t restrict alen) ssize_t Receives data from a specified socket.
sendmsg (int fd, const struct msghdr msg, int flags) ssize_t Sends data to another socket.
recvmsg (int fd, struct msghdr msg, int flags) ssize_t Receives data from a specified socket.
getsockopt (int fd, int level, int optname, void *restrict optval, socklen_t __restrict optlen) int Retrieves the socket options.
setsockopt (int fd, int level, int optname, const void optval, socklen_t optlen) int Sets the socket options.