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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /lib/libc/sys/getsockname.2
initial import of NetBSD tree
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+.\" $NetBSD: getsockname.2,v 1.5 1995/02/27 12:33:26 cgd Exp $
+.\"
+.\" Copyright (c) 1983, 1991, 1993
+.\" The Regents of the University of California. All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the University of
+.\" California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\" may be used to endorse or promote products derived from this software
+.\" without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" @(#)getsockname.2 8.1 (Berkeley) 6/4/93
+.\"
+.Dd June 4, 1993
+.Dt GETSOCKNAME 2
+.Os BSD 4.2
+.Sh NAME
+.Nm getsockname
+.Nd get socket name
+.Sh SYNOPSIS
+.Ft int
+.Fn getsockname "int s" "struct sockaddr *name" "int *namelen"
+.Sh DESCRIPTION
+.Fn Getsockname
+returns the current
+.Fa name
+for the specified socket. The
+.Fa namelen
+parameter should be initialized to indicate
+the amount of space pointed to by
+.Fa name .
+On return it contains the actual size of the name
+returned (in bytes).
+.Sh DIAGNOSTICS
+A 0 is returned if the call succeeds, -1 if it fails.
+.Sh ERRORS
+The call succeeds unless:
+.Bl -tag -width Er
+.It Bq Er EBADF
+The argument
+.Fa s
+is not a valid descriptor.
+.It Bq Er ENOTSOCK
+The argument
+.Fa s
+is a file, not a socket.
+.It Bq Er ENOBUFS
+Insufficient resources were available in the system
+to perform the operation.
+.It Bq Er EFAULT
+The
+.Fa name
+parameter points to memory not in a valid part of the
+process address space.
+.El
+.Sh SEE ALSO
+.Xr bind 2 ,
+.Xr socket 2
+.Sh BUGS
+Names bound to sockets in the UNIX domain are inaccessible;
+.Xr getsockname
+returns a zero length name.
+.Sh HISTORY
+The
+.Fn getsockname
+function call appeared in
+.Bx 4.2 .