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-.\" 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. 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.
-.\"
-.\" @(#)getpeername.2 8.1 (Berkeley) 6/4/93
-.\" $FreeBSD$
-.\"
-.Dd June 4, 1993
-.Dt GETPEERNAME 2
-.Os
-.Sh NAME
-.Nm getpeername
-.Nd get name of connected peer
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In sys/types.h
-.In sys/socket.h
-.Ft int
-.Fn getpeername "int s" "struct sockaddr * restrict name" "socklen_t * restrict namelen"
-.Sh DESCRIPTION
-The
-.Fn getpeername
-system call
-returns the name of the peer connected to
-socket
-.Fa s .
-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).
-The name is truncated if the buffer provided is too small.
-.Sh RETURN VALUES
-.Rv -std getpeername
-.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 EINVAL
-The value of the
-.Fa namelen
-argument is not valid.
-.It Bq Er ENOTSOCK
-The argument
-.Fa s
-is a file, not a socket.
-.It Bq Er ENOTCONN
-The socket is not connected.
-.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 accept 2 ,
-.Xr bind 2 ,
-.Xr getsockname 2 ,
-.Xr socket 2
-.Sh HISTORY
-The
-.Fn getpeername
-system call appeared in
-.Bx 4.2 .