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-.\" Copyright (c) 1983, 1991 The Regents of the University of California.
-.\" All rights reserved.
-.\"
-.\" SPDX-License-Identifier: BSD-4-Clause-UC
-.\"
-.\" @(#)getsockname.2 6.4 (Berkeley) 3/10/91
-.\"
-.\" Modified Sat Jul 24 16:30:29 1993 by Rik Faith <faith@cs.unc.edu>
-.\" Modified Tue Oct 22 00:22:35 EDT 1996 by Eric S. Raymond <esr@thyrsus.com>
-.\" Modified Sun Mar 28 21:26:46 1999 by Andries Brouwer <aeb@cwi.nl>
-.\"
-.TH getsockname 2 (date) "Linux man-pages (unreleased)"
-.SH NAME
-getsockname \- get socket name
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.B #include <sys/socket.h>
-.PP
-.BI "int getsockname(int " sockfd ", struct sockaddr *restrict " addr ,
-.BI " socklen_t *restrict " addrlen );
-.fi
-.SH DESCRIPTION
-.BR getsockname ()
-returns the current address to which the socket
-.I sockfd
-is bound, in the buffer pointed to by
-.IR addr .
-The
-.I addrlen
-argument should be initialized to indicate
-the amount of space (in bytes) pointed to by
-.IR addr .
-On return it contains the actual size of the socket address.
-.PP
-The returned address is truncated if the buffer provided is too small;
-in this case,
-.I addrlen
-will return a value greater than was supplied to the call.
-.SH RETURN VALUE
-On success, zero is returned.
-On error, \-1 is returned, and
-.I errno
-is set to indicate the error.
-.SH ERRORS
-.TP
-.B EBADF
-The argument
-.I sockfd
-is not a valid file descriptor.
-.TP
-.B EFAULT
-The
-.I addr
-argument points to memory not in a valid part of the
-process address space.
-.TP
-.B EINVAL
-.I addrlen
-is invalid (e.g., is negative).
-.TP
-.B ENOBUFS
-Insufficient resources were available in the system
-to perform the operation.
-.TP
-.B ENOTSOCK
-The file descriptor
-.I sockfd
-does not refer to a socket.
-.SH STANDARDS
-POSIX.1-2008.
-.SH HISTORY
-POSIX.1-2001, SVr4, 4.4BSD
-(first appeared in 4.2BSD).
-.\" SVr4 documents additional ENOMEM
-.\" and ENOSR error codes.
-.SH SEE ALSO
-.BR bind (2),
-.BR socket (2),
-.BR getifaddrs (3),
-.BR ip (7),
-.BR socket (7),
-.BR unix (7)