SHUTDOWN(2) System Calls Manual SHUTDOWN(2)
shutdown - shut down part of a full-duplex connection
int shutdown(s, how)
int s, how;
The shutdown() call causes all or part of a full-duplex connection on
the socket associated with s to be shut down. If how is 0, then fur-
ther receives will be disallowed. If how is 1, then further sends will
be disallowed. If how is 2, then further sends and receives will be
0 on success.
-1 on failure and sets errno to indicate the error.
EBADF s is not a valid descriptor.
ENOTCONN The specified socket is not connected.
ENOTSOCK s is a file, not a socket.
ipcrm(1), ipcs(1), connect(2), socket(2),
The how values should be defined constants.
21 January 1990 SHUTDOWN(2)