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Diffstat (limited to 'lib/libc/sys/getsockname.2')
-rw-r--r-- | lib/libc/sys/getsockname.2 | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/lib/libc/sys/getsockname.2 b/lib/libc/sys/getsockname.2 new file mode 100644 index 0000000..f1537c7 --- /dev/null +++ b/lib/libc/sys/getsockname.2 @@ -0,0 +1,94 @@ +.\" 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. +.\" 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 +.\" $FreeBSD$ +.\" +.Dd June 4, 1993 +.Dt GETSOCKNAME 2 +.Os +.Sh NAME +.Nm getsockname +.Nd get socket name +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In sys/types.h +.In sys/socket.h +.Ft int +.Fn getsockname "int s" "struct sockaddr * restrict name" "socklen_t * restrict namelen" +.Sh DESCRIPTION +The +.Fn getsockname +system call +returns the current +.Fa name +for the specified socket. +The +.Fa namelen +argument 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 RETURN VALUES +.Rv -std getsockname +.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 ECONNRESET +The connection has been reset by the peer. +.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 +argument points to memory not in a valid part of the +process address space. +.El +.Sh SEE ALSO +.Xr bind 2 , +.Xr getpeername 2 , +.Xr socket 2 +.Sh HISTORY +The +.Fn getsockname +system call appeared in +.Bx 4.2 . +.Sh BUGS +Names bound to sockets in the UNIX domain are inaccessible; +.Fn getsockname +returns a zero length name. |