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.\" @(#)shutdown.2 6.4 (Berkeley) 3/10/91
.Nd shut down part of a full-duplex connection
.Fd #include <sys/socket.h>
.Fn shutdown "int s" "int how"
call causes all or part of a full-duplex connection on
the socket associated with
is 0, further receives will be disallowed.
is 1, further sends will be disallowed.
is 2, further sends and receives will be disallowed.
A 0 is returned if the call succeeds, -1 if it fails.
The call succeeds unless:
.Bl -tag -width ENOTCONNAA
is not a valid descriptor.
The specified socket is not connected.
function call appeared in