.\" Copyright (c) 1983 Regents of the University of California. .\" All rights reserved. The Berkeley software License Agreement .\" specifies the terms and conditions for redistribution. .\" .\" @(#)getpeername.2 6.2 (Berkeley) 05/13/86 .\" .TH GETPEERNAME 2 "" .UC 5 .SH NAME getpeername \- get name of connected peer .SH SYNOPSIS .nf .PP .ft B getpeername(s, name, namelen) int s; struct sockaddr *name; int *namelen; .fi .SH DESCRIPTION .I Getpeername returns the name of the peer connected to socket .IR s . The .I namelen parameter should be initialized to indicate the amount of space pointed to by .IR 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 DIAGNOSTICS A 0 is returned if the call succeeds, \-1 if it fails. .SH ERRORS The call succeeds unless: .TP 15 [EBADF] The argument \fIs\fP is not a valid descriptor. .TP 15 [ENOTSOCK] The argument \fIs\fP is a file, not a socket. .TP 15 [ENOTCONN] The socket is not connected. .TP 15 [ENOBUFS] Insufficient resources were available in the system to perform the operation. .TP 15 [EFAULT] The .I name parameter points to memory not in a valid part of the process address space. .SH "SEE ALSO" accept(2), bind(2), socket(2), getsockname(2)