Sockets
 
-  简介 
-  安装/配置 
-  预定义常量 
-  范例 
-  Socket Errors 
-  Socket 函数 
-  socket_accept — Accepts a connection on a socket
-  socket_bind — 给套接字绑定名字
-  socket_clear_error — 清除套接字或者最后的错误代码上的错误
-  socket_close — 关闭套接字资源
-  socket_cmsg_space — Calculate message buffer size
-  socket_connect — 开启一个套接字连接
-  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 — 创建一个套接字(通讯节点)
-  socket_get_option — Gets socket options for the socket
-  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_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