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shutdown(2)
NAME
  shutdown - Shuts down socket send and receive operations

SYNOPSIS
  #include <sys/socket.h>
  int shutdown (
	  int socket,
	  int how );

STANDARDS
  Interfaces documented on this reference page conform to industry standards
  as follows:

  shutdown():  XPG4-UNIX

  Refer to the standards(5) reference page for more information about
  industry standards and associated tags.

PARAMETERS
  socket    Specifies the file descriptor of the socket.

  how	    Specifies the type of shutdown.  Values are:

	    SHUT_RD   To disable further receive operations

	    SHUT_WR   To disable further send operations

	    SHUT_RDWR To disable further send operations and receive
		      operations

DESCRIPTION
  The shutdown() function disables receive and/or send operations on the
  specified socket.

RETURN VALUES
  Upon successful completion, a value of 0 (zero) is returned.	Otherwise, a
  value of -1 is returned and errno is set to indicate the error.

ERRORS
  If the shutdown() function fails, errno may be set to one of the following
  values:

  [EBADF]   The socket parameter is not valid.

  [EINVAL   The how argument is invalid.

  [ENOTCONN]
	    The socket is not connected.

  [ENOTSOCK]
	    The socket parameter refers to a file, not a socket.


RELATED INFORMATION
  Functions: getsockopt(2), read(2), recv(2), recvfrom(2), recvmsg(2),
  select(2), send(2), sendto(2), setsockopt(2), socket(2), write(2)

  Standards: standards(5)