# Sockets

- Introduction
- Installing/Configuring
  - Requirements
  - Installation
  - Runtime Configuration
  - Resource Types
- Predefined Constants
- Examples
- Socket Errors
- Socket Functions
  - socket_accept — Accepts a connection on a socket
  - socket_addrinfo_bind — Create and bind to a socket from a given addrinfo
  - socket_addrinfo_connect — Create and connect to a socket from a given addrinfo
  - socket_addrinfo_explain — Get information about addrinfo
  - socket_addrinfo_lookup — Get array with contents of getaddrinfo about the given hostname
  - socket_bind — Binds a name to a socket
  - socket_clear_error — Clears the error on the socket or the last error code
  - socket_close — Closes a socket resource
  - socket_cmsg_space — Calculate message buffer size
  - socket_connect — Initiates a connection on a socket
  - socket_create_listen — Opens a socket on port to accept connections
  - socket_create_pair — Creates a pair of indistinguishable sockets and stores them in an array
  - socket_create — Create a socket (endpoint for communication)
  - socket_export_stream — Export a socket extension resource into a stream that encapsulates a socket
  - socket_get_option — Gets socket options for the socket
  - socket_getopt — Alias of socket_get_option
  - socket_getpeername — Queries the remote side of the given socket which may either result in host/port or in a Unix filesystem path, dependent on its type
  - socket_getsockname — Queries the local side of the given socket which may either result in host/port or in a Unix filesystem path, dependent on its type
  - socket_import_stream — Import a stream
  - socket_last_error — Returns the last error on the socket
  - socket_listen — Listens for a connection on a socket
  - socket_read — Reads a maximum of length bytes from a socket
  - socket_recv — Receives data from a connected socket
  - socket_recvfrom — Receives data from a socket whether or not it is connection-oriented
  - socket_recvmsg — Read a message
  - socket_select — Runs the select() system call on the given arrays of sockets with a specified timeout
  - socket_send — Sends data to a connected socket
  - socket_sendmsg — Send a message
  - socket_sendto — Sends a message to a socket, whether it is connected or not
  - socket_set_block — Sets blocking mode on a socket resource
  - socket_set_nonblock — Sets nonblocking mode for file descriptor fd
  - socket_set_option — Sets socket options for the socket
  - socket_setopt — Alias of socket_set_option
  - socket_shutdown — Shuts down a socket for receiving, sending, or both
  - socket_strerror — Return a string describing a socket error
  - socket_write — Write to a socket
  - socket_wsaprotocol_info_export — Exports the WSAPROTOCOL_INFO Structure
  - socket_wsaprotocol_info_import — Imports a Socket from another Process
  - socket_wsaprotocol_info_release — Releases an exported WSAPROTOCOL_INFO Structure