.\" 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.
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" 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@gmx.net>
.\"
.\" 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
.\"
.TH BIND 2 2004-06-23 "Linux 2.6.7" "Linux Programmer's Manual"
.SH ̾
bind \- åȤ̾Ĥ
.SH 
.B #include <sys/types.h>
.br
.B #include <sys/socket.h>
.sp
.BI "int bind(int " sockfd ", const struct sockaddr *" my_addr \
", socklen_t " addrlen );
.SH 
.BR bind ()
ϥå
.I sockfd
˥ɥ쥹
.IR my_addr
Ϳ롣
.I my_addr

.I addrlen
ХȤĹǤ롣
Ūˤ
֥åȤ̾Ĥ
ȸƤФ롣
.BR socket (2)
ǥåȤ줿Ȥ
åȤ̾ (ɥ쥹եߥ꡼) ¸ߤ뤬
̾ϤĤƤʤ
.PP
̾
.B SOCK_STREAM
åȤˤä³
.RB ( accept (2)
򻲾) 
.BR bind ()
Ѥƥ륢ɥ쥹Ƥɬפ롣

̾դΥ롼ϥɥ쥹եߥ꡼Ȥ˰ۤʤäƤ롣ܺ٤ʾ
 7 Ϥγƥޥ˥奢򻲾Ȥ뤳ȡ
.B AF_INET

.BR ip (7)

.B AF_INET6

.BR ipv6 (7)

.B AF_UNIX

.BR unix (7)

.B AF_APPLETALK

.BR ddp (7)

.B AF_PACKET

.BR packet (7)

.B AF_X25

.BR x25 (7)

.B AF_NETLINK

.BR netlink (7)
򻲾ȡ

.I my_addr
˼ºݤˤɤΤ褦ʹ¤ΤϤ뤫ϡ
ɥ쥹եߥ꡼˰¸롣
.I sockaddr
¤ΤϰʲΤ褦ʴƤ:
.in +0.25in
.nf

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

.fi
.in -0.25in
ι¤Τϡ
.I my_addr
Ϥ빽¤ΤؤΥݥ󥿤򥭥㥹Ȥ
ѥηٹåޤ뤿¸ߤ롣
ŪˤɤΤ褦ˤФ褤Τ
Unix ɥᥤ
.RB ( AF_UNIX )
ξȤưʲ˼

.in +0.25in
.nf
#include <sys/socket.h>
#include <sys/un.h>
#include <stdlib.h>
#include <stdlio.h>

#define MY_SOCK_PATH "/somepath"

int
main(int argc, char *argv[])
{
    int sfd;
    struct sockaddr_un addr;
    
    sfd = socket(AF_UNIX, SOCK_STREAM, 0);         
    if (sfd == -1) { 
        perror("socket"); 
        exit(EXIT_FAILURE); 
    }

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

    if (bind(sfd, (struct sockaddr *) &addr,
            sizeof(struct sockaddr_un)) == -1) { 
        perror("bind"); 
        exit(EXIT_FAILURE); 
    }
    ...
}
.fi
.in -0.25in
.SH ֤
 0 ֤
Ԥ \-1 ֤
.I errno
Ŭڤͤꤹ롣
.SH 顼
.TP
.B EACCES
Υɥ쥹ݸƤơĥ桼ѡ桼ǤϤʤ
.TP
.B EADDRINUSE
ꤵ줿ɥ쥹˻Ǥ롣
.TP
.B EBADF
.I sockfd
ʥǥץǤ롣
.TP
.B EINVAL
åȤǤ˥ɥ쥹˷ӤĤ (bind) Ƥ롣
.\" Ͼѹ뤫⤷ʤ
.\" ܤ
.\" .I linux/unix/sock.c
.\" 򻲾Ȥ뤳ȡ
.B ENOTSOCK
.I sockfd
եФǥץǡåȤФΤǤϤʤ
.PP
ʲΥ顼 UNIXɥᥤ
.RB ( AF_UNIX )
ΥåͭǤ:
.TP
.B EACCES
ѥ̾ιǤ˸ (search permission) ʤ
.RB ( path_resolution (2)
⻲Ȥ뤳)
.TP
.B EADDRNOTAVAIL
¸ߤʤ󥿥ե׵ᤵ줿׵ᤵ줿ɥ쥹
ǤϤʤä
.TP
.B EFAULT
.I my_addr
桼Υǽʥɥ쥹֤γؤƤ롣
.TP
.B EINVAL
.I addrlen
Ǥ뤫åȤ
.B AF_UNIX
եߥ꡼ǤϤʤ
.TP
.B ELOOP
.I my_addr
褹ݤܥå󥯤¿᤮롣
.TP
.B ENAMETOOLONG
.I my_addr
Ĺ᤮롣
.TP
.B ENOENT
ե뤬¸ߤʤ
.TP
.B ENOMEM
ͥˡѲǽʥ꡼ʬˤʤ
.TP
.B ENOTDIR
ѥ̾ιǤǥ쥯ȥǤϤʤ
.TP
.B EROFS
å inode ɤ߹ѤΥե륷ƥˤ롣
.SH Х
ƩŪץ (transparent proxy) ץˤĤƵҤƤʤ
.SH 
SVr4, 4.4BSD
.RB ( bind ()
ؿ 4.2BSD Ǻǽ˸줿)
.\" SVr4 ˤ¾ˡ̤Υ顼
.\" .B ENOSR 
.\" ڤ Unix ɥᥤΥ顼
.\" .BR EIO ,
.\" .B EISDIR
.\" ˤĤƤεҤ롣
.SH 
.BR bind ()
λܤΰ (4.x BSD  libc4, libc5 Ʊͤ) ºݤˤ
.I int
Ǥ롣glibc ǤȤƤ븽ߤ
.I socklen_t
˴ؤơPOSIX ˤϾ𤬤롣
ܤ
.BR accept (2)
򻲾ȤΤȡ
.SH Ϣ
.BR accept (2),
.BR connect (2),
.BR getsockname (2),
.BR listen (2),
.BR path_resolution (2),
.BR socket (2),
.BR getaddrinfo (3),
.BR ip (7),
.BR ipv6 (7),
.BR socket (7),
.BR unix (7)