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[linuxjm/LDP_man-pages.git] / draft / man2 / bind.2

.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu)
.\" Portions extracted from /usr/include/sys/socket.h, which does not have
.\" any authorship information in it.  It is probably available under the GPL.
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.  The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\"
.\" Other portions are from the 6.9 (Berkeley) 3/10/91 man page:
.\"
.\" Copyright (c) 1983 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. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"     This product includes software developed by the University of
.\"     California, Berkeley and its contributors.
.\" 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.
.\"
.\" Modified Mon Oct 21 23:05:29 EDT 1996 by Eric S. Raymond <esr@thyrsus.com>
.\" Modified 1998 by Andi Kleen
.\" $Id: bind.2,v 1.3 1999/04/23 19:56:07 freitag Exp $
.\" Modified 2004-06-23 by Michael Kerrisk <mtk.manpages@gmail.com>
.\"
.\" Japanese Version Copyright (c) 1996 Yosiaki Yanagihara
.\"         all rights reserved.
.\" Translated 1996-06-25, Yosiaki Yanagihara <yosiaki@bsd2.kbnes.nec.co.jp>
.\" Modified 1997-11-06, HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Modified 1999-08-02, HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Updated 2005-02-03, Yuichi SATO <ysato444@yahoo.co.jp>
.\" Updated 2005-12-26, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\" Updated 2006-07-19, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.36
.\" Updated 2007-06-13, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.55
.\" Updated 2008-02-10, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.77
.\"
.TH BIND 2 2007-12-28 "Linux" "Linux Programmer's Manual"
.\"O .SH NAME
.SH ̾Á°
.\"O bind \- bind a name to a socket
bind \- ¥½¥±¥Ã¥È¤Ë̾Á°¤ò¤Ä¤±¤ë
.\"O .SH SYNOPSIS
.SH ½ñ¼°
.nf
.\"O .BR "#include <sys/types.h>" "          /* See NOTES */"
.BR "#include <sys/types.h>" "          /* ¡ÖÃí°Õ¡×»²¾È */"
.B #include <sys/socket.h>
.sp
.BI "int bind(int " sockfd ", const struct sockaddr *" addr ,
.BI "         socklen_t " addrlen );
.fi
.\"O .SH DESCRIPTION
.SH ÀâÌÀ
.\"O When a socket is created with
.\"O .BR socket (2),
.\"O it exists in a name space (address family) but has no address assigned to it.
.\"O .BR bind ()
.\"O assigns the address specified to by
.\"O .I addr
.\"O to the socket referred to by the file descriptor
.\"O .IR sockfd .
.\"O .I addrlen
.\"O specifies the size, in bytes, of the address structure pointed to by
.\"O .IR addr .
.\"O Traditionally, this operation is called \(lqassigning a name to a socket\(rq.
.BR socket (2)
¤Ç¥½¥±¥Ã¥È¤¬ºîÀ®¤µ¤ì¤¿¤È¤­¡¢¤½¤Î¥½¥±¥Ã¥È¤Ï̾Á°¶õ´Ö (¥¢¥É¥ì¥¹¡¦¥Õ¥¡¥ß¥ê¡¼) ¤Ë
¸ºß¤¹¤ë¤¬¡¢¥¢¥É¥ì¥¹¤Ï³ä¤êÅö¤Æ¤é¤ì¤Æ¤¤¤Ê¤¤¡£
.BR bind ()
¤Ï¡¢¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿
.I sockfd
¤Ç»²¾È¤µ¤ì¤ë¥½¥±¥Ã¥È¤Ë
.I addr
¤Ç»ØÄꤵ¤ì¤¿¥¢¥É¥ì¥¹¤ò³ä¤êÅö¤Æ¤ë¡£
.I addrlen
¤Ë¤Ï
.I addr
¤¬»Ø¤¹¥¢¥É¥ì¥¹¹½Â¤ÂΤΥµ¥¤¥º¤ò¥Ð¥¤¥Èñ°Ì¤Ç»ØÄꤹ¤ë¡£
ÅÁÅýŪ¤Ë¤³¤ÎÁàºî¤Ï
¡Ö¥½¥±¥Ã¥È¤Ë̾Á°¤ò¤Ä¤±¤ë¡×
¤È¸Æ¤Ð¤ì¤ë¡£
.PP
.\"O It is normally necessary to assign a local address using
.\"O .BR bind ()
.\"O before a
.\"O .B SOCK_STREAM
.\"O socket may receive connections (see
.\"O .BR accept (2)).
.B SOCK_STREAM
¥½¥±¥Ã¥È¤¬Àܳ¤ò¼õ¤±ÉÕ¤±¤é¤ì¤ë¤è¤¦¤Ë¤¹¤ë¤Ë¤Ï
.RB ( accept (2)
¤ò»²¾È)¡¢Ä̾綠¤ÎÁ°¤Ë
.BR bind ()
¤ò»ÈÍѤ·¤Æ¥í¡¼¥«¥ë¥¢¥É¥ì¥¹¤ò³ä¤êÅö¤Æ¤ëɬÍפ¬¤¢¤ë¡£

.\"O The rules used in name binding vary between address families.
.\"O Consult the manual entries in Section 7 for detailed information.
.\"O For
.\"O .B AF_INET
.\"O see
.\"O .BR ip (7),
̾Á°ÉÕ¤±¤Î¥ë¡¼¥ë¤Ï¥¢¥É¥ì¥¹¡¦¥Õ¥¡¥ß¥ê¡¼¤´¤È¤Ë°Û¤Ê¤Ã¤Æ¤¤¤ë¡£¾ÜºÙ¤Ê¾ðÊó¤Ï
Âè 7 ¾Ï¤Î³Æ¥Þ¥Ë¥å¥¢¥ë¤ò»²¾È¤¹¤ë¤³¤È¡£
.B AF_INET
¤Ï
.BR ip (7)
¤ò¡¢
.\"O for
.\"O .B AF_INET6
.\"O see
.\"O .BR ipv6 (7),
.B AF_INET6
¤Ï
.BR ipv6 (7)
¤ò¡¢
.\"O for
.\"O .B AF_UNIX
.\"O see
.\"O .BR unix (7),
.B AF_UNIX
¤Ï
.BR unix (7)
¤ò¡¢
.\"O for
.\"O .B AF_APPLETALK
.\"O see
.\"O .BR ddp (7),
.B AF_APPLETALK
¤Ï
.BR ddp (7)
¤ò¡¢
.\"O for
.\"O .B AF_PACKET
.\"O see
.\"O .BR packet (7),
.B AF_PACKET
¤Ï
.BR packet (7)
¤ò¡¢
.\"O for
.\"O .B AF_X25
.\"O see
.\"O .BR x25 (7)
.B AF_X25
¤Ï
.BR x25 (7)
¤ò¡¢
.\"O and for
.\"O .B AF_NETLINK
.\"O see
.\"O .BR netlink (7).
.B AF_NETLINK
¤Ï
.BR netlink (7)
¤ò»²¾È¡£

.\"O The actual structure passed for the
.\"O .I addr
.\"O argument will depend on the address family.
.\"O The
.\"O .I sockaddr
.\"O structure is defined as something like:
.I addr
°ú¤­¿ô¤Ë¼ÂºÝ¤Ë¤É¤Î¤è¤¦¤Ê¹½Â¤ÂΤ¬ÅϤµ¤ì¤ë¤«¤Ï¡¢
¥¢¥É¥ì¥¹¡¦¥Õ¥¡¥ß¥ê¡¼¤Ë°Í¸¤¹¤ë¡£
.I sockaddr
¹½Â¤ÂΤϰʲ¼¤Î¤è¤¦¤Ê´¶¤¸¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë:
.in +4n
.nf

struct sockaddr {
    sa_family_t sa_family;
    char        sa_data[14];
}

.fi
.in
.\"O The only purpose of this structure is to cast the structure
.\"O pointer passed in
.\"O .I addr
.\"O in order to avoid compiler warnings.
.\"O See EXAMPLE below.
¤³¤Î¹½Â¤ÂΤϡ¢
.I addr
¤ËÅϤµ¤ì¤ë¹½Â¤ÂΤؤΥݥ¤¥ó¥¿¤ò¥­¥ã¥¹¥È¤·¡¢
¥³¥ó¥Ñ¥¤¥é¤Î·Ù¹ð¥á¥Ã¥»¡¼¥¸¤òÍÞ¤¨¤ë¤¿¤á¤À¤±¤Ë¸ºß¤¹¤ë¡£
²¼µ­¤Î¡ÖÎã¡×¤ò»²¾È¡£
.\"O .SH "RETURN VALUE"
.SH ÊÖ¤êÃÍ
.\"O On success, zero is returned.
.\"O On error, \-1 is returned, and
.\"O .I errno
.\"O is set appropriately.
À®¸ù¤¹¤ë¤È 0 ¤òÊÖ¤¹¡£
¼ºÇÔ¤¹¤ë¤È \-1 ¤òÊÖ¤·¡¢
.I errno
¤òŬÀÚ¤ËÀßÄꤹ¤ë¡£
.\"O .SH ERRORS
.SH ¥¨¥é¡¼
.TP
.B EACCES
.\" e.g., privileged port in AF_INET domain
.\"O The address is protected, and the user is not the superuser.
¤½¤Î¥¢¥É¥ì¥¹¤ÏÊݸ¤ì¤Æ¤¤¤Æ¡¢¤«¤Ä¥æ¡¼¥¶¤¬¥¹¡¼¥Ñ¡¼¥æ¡¼¥¶¤Ç¤Ï¤Ê¤¤¡£
.TP
.B EADDRINUSE
.\"O The given address is already in use.
»ØÄꤵ¤ì¤¿¥¢¥É¥ì¥¹¤¬´û¤Ë»ÈÍÑÃæ¤Ç¤¢¤ë¡£
.TP
.B EBADF
.\"O .I sockfd
.\"O is not a valid descriptor.
.I sockfd
¤¬ÉÔÀµ¤Ê¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Ç¤¢¤ë¡£
.TP
.B EINVAL
.\"O The socket is already bound to an address.
.\"O .\" This may change in the future: see
.\"O .\" .I linux/unix/sock.c for details.
¥½¥±¥Ã¥È¤¬¤¹¤Ç¤Ë¥¢¥É¥ì¥¹¤Ë·ë¤Ó¤Ä¤± (bind) ¤é¤ì¤Æ¤¤¤ë¡£
.\" ¤³¤ì¤Ï¾­ÍèÊѹ¹¤µ¤ì¤ë¤«¤â¤·¤ì¤Ê¤¤¡£
.\" ¾Ü¤·¤¯¤Ï
.\" .I linux/unix/sock.c
.\" ¤ò»²¾È¤¹¤ë¤³¤È¡£
.B ENOTSOCK
.\"O .I sockfd
.\"O is a descriptor for a file, not a socket.
.I sockfd
¤¬¥Õ¥¡¥¤¥ë¤ËÂФ¹¤ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Ç¡¢¥½¥±¥Ã¥È¤ËÂФ¹¤ë¤â¤Î¤Ç¤Ï¤Ê¤¤¡£
.PP
.\"O The following errors are specific to Unix domain
.\"O .RB ( AF_UNIX )
.\"O sockets:
°Ê²¼¤Î¥¨¥é¡¼¤Ï Unix¥É¥á¥¤¥ó
.RB ( AF_UNIX )
¤Î¥½¥±¥Ã¥ÈÆÃÍ­¤Ç¤¢¤ë:
.TP
.B EACCES
.\"O Search permission is denied on a component of the path prefix.
.\"O (See also
.\"O .BR path_resolution (7).)
¥Ñ¥¹Ì¾¤Î¹½À®Í×ÁǤ˸¡º÷µö²Ä (search permission) ¤¬¤Ê¤¤
.RB ( path_resolution (7)
¤â»²¾È¤¹¤ë¤³¤È)¡£
.TP
.B EADDRNOTAVAIL
.\"O A nonexistent interface was requested or the requested
.\"O address was not local.
¸ºß¤·¤Ê¤¤¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤¬Í׵ᤵ¤ì¤¿¤«¡¢Í׵ᤵ¤ì¤¿¥¢¥É¥ì¥¹¤¬
¥í¡¼¥«¥ë¤Ç¤Ï¤Ê¤«¤Ã¤¿¡£
.TP
.B EFAULT
.\"O .I addr
.\"O points outside the user's accessible address space.
.I addr
¤¬¥æ¡¼¥¶¤Î¥¢¥¯¥»¥¹²Äǽ¤Ê¥¢¥É¥ì¥¹¶õ´Ö¤Î³°¤ò»Ø¤·¤Æ¤¤¤ë¡£
.TP
.B EINVAL
.\"O The
.\"O .I addrlen
.\"O is wrong, or the socket was not in the
.\"O .B AF_UNIX
.\"O family.
.I addrlen
¤¬ÉÔÀµ¤Ç¤¢¤ë¤«¡¢¥½¥±¥Ã¥È¤¬
.B AF_UNIX
¥Õ¥¡¥ß¥ê¡¼¤Ç¤Ï¤Ê¤¤¡£
.TP
.B ELOOP
.\"O Too many symbolic links were encountered in resolving
.\"O .IR addr .
.I addr
¤ò²ò·è¤¹¤ëºÝ¤ËÁø¶ø¤·¤¿¥·¥ó¥Ü¥ê¥Ã¥¯¡¦¥ê¥ó¥¯¤¬Â¿²á¤®¤ë¡£
.TP
.B ENAMETOOLONG
.\"O .I addr
.\"O is too long.
.I addr
¤¬Ä¹²á¤®¤ë¡£
.TP
.B ENOENT
.\"O The file does not exist.
¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤·¤Ê¤¤¡£
.TP
.B ENOMEM
.\"O Insufficient kernel memory was available.
¥«¡¼¥Í¥ë¤Ë¡¢ÍøÍѲÄǽ¤Ê¥á¥â¥ê¡¼¤¬½½Ê¬¤Ë¤Ê¤¤¡£
.TP
.B ENOTDIR
.\"O A component of the path prefix is not a directory.
¥Ñ¥¹Ì¾¤Î¹½À®Í×ÁǤ¬¥Ç¥£¥ì¥¯¥È¥ê¤Ç¤Ï¤Ê¤¤¡£
.TP
.B EROFS
.\"O The socket inode would reside on a read-only file system.
¥½¥±¥Ã¥È inode ¤¬Æɤ߹þ¤ßÀìÍѤΥե¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Ë¤¢¤ë¡£
.\"O .SH "CONFORMING TO"
.SH ½àµò
.\"O SVr4, 4.4BSD, POSIX.1-2001
.\"O .RB ( bind ()
.\"O first appeared in 4.2BSD).
.\"O .\" SVr4 documents an additional
.\"O .\" .B ENOSR
.\"O .\" general error condition, and
.\"O .\" additional
.\"O .\" .B EIO
.\"O .\" and
.\"O .\" .B EISDIR
.\"O .\" Unix-domain error conditions.
SVr4, 4.4BSD, POSIX.1-2001
.RB ( bind ()
¤Ï 4.2BSD ¤ÇºÇ½é¤Ë¸½¤ï¤ì¤¿)¡£
.\" SVr4 ¤Ë¤Ï¾¤Ë¡¢°ìÈ̤Υ¨¥é¡¼¾õÂÖ
.\" .B ENOSR
.\" µÚ¤Ó Unix ¥É¥á¥¤¥ó¤Î¥¨¥é¡¼¾õÂÖ
.\" .BR EIO ,
.\" .B EISDIR
.\" ¤Ë¤Ä¤¤¤Æ¤Îµ­½Ò¤¬¤¢¤ë¡£
.\"O .SH NOTES
.SH Ãí°Õ
.\"O POSIX.1-2001 does not require the inclusion of
.\"O .IR <sys/types.h> ,
.\"O and this header file is not required on Linux.
.\"O However, some historical (BSD) implementations required this header
.\"O file, and portable applications are probably wise to include it.
POSIX.1-2001 ¤Ç¤Ï
.I <sys/types.h>
¤Î¥¤¥ó¥¯¥ë¡¼¥É¤Ïɬ¿Ü¤È¤µ¤ì¤Æ¤ª¤é¤º¡¢
Linux ¤Ç¤Ï¤³¤Î¥Ø¥Ã¥À¥Õ¥¡¥¤¥ë¤ÏɬÍפǤϤʤ¤¡£
¤·¤«¤·¡¢Îò»ËŪ¤Ë¤Ï¡¢¤¤¤¯¤Ä¤«¤Î¼ÂÁõ (BSD ·Ï) ¤Ç¤³¤Î¥Ø¥Ã¥À¥Õ¥¡¥¤¥ë¤¬
ɬÍפǤ¢¤ê¡¢°Ü¿¢À­¤¬É¬Íפʥ¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Ç¤Ï¤³¤Î¥Õ¥¡¥¤¥ë¤ò
¥¤¥ó¥¯¥ë¡¼¥É¤¹¤ë¤Î¤¬¸­ÌÀ¤Ç¤¢¤í¤¦¡£

.\"O The third argument of
.\"O .BR bind ()
.\"O is in reality an
.\"O .I int
.\"O (and this is what 4.x BSD and libc4 and libc5 have).
.\"O Some POSIX confusion resulted in the present
.\"O .IR socklen_t ,
.\"O also used by glibc.
.\"O See also
.\"O .BR accept (2).
.BR bind ()
¤Î»°ÈÖÌܤΰú¤­¿ô¤Ï (4.x BSD ¤ä libc4, libc5 ¤ÈƱÍͤË) ¼ÂºÝ¤Ë¤Ï
.I int
¤Ç¤¢¤ë¡£glibc ¤Ç¤â»È¤ï¤ì¤Æ¤¤¤ë¸½ºß¤Î
.I socklen_t
¤Ë´Ø¤·¤Æ¡¢POSIX ¤Ë¤Ï¾¯¤·º®Í𤬤¢¤ë¡£
¾Ü¤·¤¯¤Ï
.BR accept (2)
¤ò»²¾È¤Î¤³¤È¡£
.\"O .SH BUGS
.SH ¥Ð¥°
.\"O The transparent proxy options are not described.
Æ©²áŪ¥×¥í¥­¥· (transparent proxy) ¥ª¥×¥·¥ç¥ó¤Ë¤Ä¤¤¤Æµ­½Ò¤·¤Æ¤¤¤Ê¤¤¡£
.\" FIXME What *are* transparent proxy options?
.\"O .SH EXAMPLE
.SH Îã
.\"O An example of the use of
.\"O .BR bind ()
.\"O with Internet domain sockets can be found in
.\"O .BR getaddrinfo (3).
¥¤¥ó¥¿¡¼¥Í¥Ã¥È¡¦¥É¥á¥¤¥ó¡¦¥½¥±¥Ã¥È¤Ç¤Î
.BR bind ()
¤ÎÍøÍÑÎ㤬
.BR getaddrinfo (3)
¤Ëµ­ºÜ¤µ¤ì¤Æ¤¤¤ë¡£

.\"O The following example shows how to bind a stream socket in the Unix
.\"O .RB ( AF_UNIX )
.\"O domain, and accept connections:
°Ê²¼¤ÎÎã¤Ï¡¢Unix ¥É¥á¥¤¥ó
.RB ( AF_UNIX )
¤Ç¥¹¥È¥ê¡¼¥à¥½¥±¥Ã¥È¤ò bind ¤¹¤ëÊýË¡¤ò¼¨¤·¤¿¤â¤Î¤Ç¤¢¤ë¡£
.\" listen.7 refers to this example.
.\" accept.7 refers to this example.
.\" unix.7 refers to this example.

.nf
#include <sys/socket.h>
#include <sys/un.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#define MY_SOCK_PATH "/somepath"
#define LISTEN_BACKLOG 50

#define handle_error(msg) \\
    do { perror(msg); exit(EXIT_FAILURE); } while (0)

int
main(int argc, char *argv[])
{
    int sfd, cfd;
    struct sockaddr_un my_addr, peer_addr;
    socklen_t peer_addr_size;

    sfd = socket(AF_UNIX, SOCK_STREAM, 0);
    if (sfd == \-1)
        handle_error("socket");

    memset(&my_addr, 0, sizeof(struct sockaddr_un));
                        /* Clear structure */
    my_addr.sun_family = AF_UNIX;
    strncpy(my_addr.sun_path, MY_SOCK_PATH,
            sizeof(my_addr.sun_path) \- 1);

    if (bind(sfd, (struct sockaddr *) &my_addr,
            sizeof(struct sockaddr_un)) == \-1)
        handle_error("bind");
    
    if (listen(sfd, LISTEN_BACKLOG) == \-1)
        handle_error("listen");

    /* Now we can accept incoming connections one
       at a time using accept(2) */

    peer_addr_size = sizeof(struct sockaddr_un);
    cfd = accept(sfd, (struct sockaddr *) &peer_addr,
                 &peer_addr_size)
    if (cfd == \-1)
        handle_error("accept");

    /* Code to deal with incoming connection(s)... */

    /* When no longer required, the socket pathname, MY_SOCK_PATH
       should be deleted using unlink(2) or remove(3) */
}
.fi
.\"O .SH "SEE ALSO"
.SH ´ØÏ¢¹àÌÜ
.BR accept (2),
.BR connect (2),
.BR getsockname (2),
.BR listen (2),
.BR socket (2),
.BR getaddrinfo (3),
.BR getifaddrs (3),
.BR ip (7),
.BR ipv6 (7),
.BR path_resolution (7),
.BR socket (7),
.BR unix (7)