.TH SHUTDOWN 2 2/13/83 .SH NAME shutdown \- shut down part of a full-duplex connection .SH SYNOPSIS .nf .ft B #include <sys/socket.h> .PP .ft B shutdown(s, how) int s, how; .fi .SH DESCRIPTION The .I shutdown call causes part of a full-duplex connection to be shut down. If \fIhow\fP is 0, then further receives will be forbidden. If \fIhow\fP is 1, then further sends will be forbidden. If \fIhow\fP is 2, then further sends and receives will be forbidden. .SH DIAGNOSTICS A 0 is returned if the call succeeds, \-1 if it fails. .SH ERRORS The call succeeds unless: .TP 15 [EBADF] .I S is not a valid descriptor. .TP 15 [ENOTSOCK] .I S is a file, not a socket. .TP 15 [ENOTCONN] The specified socket is not connected. .SH "SEE ALSO" connect(2), socket(2)