From 3d08cd331c1adcf0d917392f7e527b3f00511748 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 24 May 2024 06:52:22 +0200 Subject: Merging upstream version 6.8. Signed-off-by: Daniel Baumann --- man2/getpeername.2 | 116 ----------------------------------------------------- 1 file changed, 116 deletions(-) delete mode 100644 man2/getpeername.2 (limited to 'man2/getpeername.2') diff --git a/man2/getpeername.2 b/man2/getpeername.2 deleted file mode 100644 index b738e9e..0000000 --- a/man2/getpeername.2 +++ /dev/null @@ -1,116 +0,0 @@ -.\" Copyright (c) 1983, 1991 The Regents of the University of California. -.\" All rights reserved. -.\" -.\" SPDX-License-Identifier: BSD-4-Clause-UC -.\" -.\" @(#)getpeername.2 6.5 (Berkeley) 3/10/91 -.\" -.\" Modified Sat Jul 24 16:37:50 1993 by Rik Faith -.\" Modified Thu Jul 30 14:37:50 1993 by Martin Schulze -.\" Modified Sun Mar 28 21:26:46 1999 by Andries Brouwer -.\" Modified 17 Jul 2002, Michael Kerrisk -.\" Added 'socket' to NAME, so that "man -k socket" will show this page. -.\" -.TH getpeername 2 2023-10-31 "Linux man-pages 6.7" -.SH NAME -getpeername \- get name of connected peer socket -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.B #include -.P -.BI "int getpeername(int " sockfd ", struct sockaddr *restrict " addr , -.BI " socklen_t *restrict " addrlen ); -.fi -.SH DESCRIPTION -.BR getpeername () -returns the address of the peer connected to the socket -.IR sockfd , -in the buffer pointed to by -.IR addr . -The -.I addrlen -argument should be initialized to indicate the amount of space pointed to -by -.IR addr . -On return it contains the actual size of the name returned (in bytes). -The name is truncated if the buffer provided is too small. -.P -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 ENOTCONN -The socket is not connected. -.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). -.SH NOTES -For stream sockets, once a -.BR connect (2) -has been performed, either socket can call -.BR getpeername () -to obtain the address of the peer socket. -On the other hand, datagram sockets are connectionless. -Calling -.BR connect (2) -on a datagram socket merely sets the peer address for outgoing -datagrams sent with -.BR write (2) -or -.BR recv (2). -The caller of -.BR connect (2) -can use -.BR getpeername () -to obtain the peer address that it earlier set for the socket. -However, the peer socket is unaware of this information, and calling -.BR getpeername () -on the peer socket will return no useful information (unless a -.BR connect (2) -call was also executed on the peer). -Note also that the receiver of a datagram can obtain -the address of the sender when using -.BR recvfrom (2). -.SH SEE ALSO -.BR accept (2), -.BR bind (2), -.BR getsockname (2), -.BR ip (7), -.BR socket (7), -.BR unix (7) -- cgit v1.2.3