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.\" This manpage copyright 1998 by Andi Kleen. Subject to the GPL.
.\" Based on the original comments from Alexey Kuznetsov
.\" $Id: netlink.3,v 1.4 2000/09/07 07:21:43 hanataka Exp $
.\"
.\" Japanese Version Copyright (c) 1999 Shouichi Saito
.\" all rights reserved.
.\" Translated Mon Jul 26 12:18:39 JST 1999
.\" by Shouichi Saito <ss236rx@ymg.urban.ne.jp>
.\" Proofed Fri Aug 20 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\"
.\"WORD: payload Ǽΰ
.\"WORD: lvalue
.\"
.TH NETLINK 3 1999-05-14 "GNU" "Linux Programmer's Manual"
.SH ̾
netlink \- netlink ޥ
.SH
.nf
.\" FIXME . what will glibc 2.1 use here?
.\" May 2007: glibc 2.5, things look to be unchanged -- the header file
.\" is still linux/netlink.h -- mtk
.B #include <asm/types.h>
.br
.B #include <linux/netlink.h>
.sp
.BI "int NLMSG_ALIGN(size_t " len );
.br
.BI "int NLMSG_LENGTH(size_t " len );
.br
.BI "int NLMSG_SPACE(size_t " len );
.br
.BI "void *NLMSG_DATA(struct nlmsghdr *" nlh );
.br
.BI "struct nlmsghdr *NLMSG_NEXT(struct nlmsghdr *" nlh ", int " len );
.br
.BI "int NLMSG_OK(struct nlmsghdr *" nlh ", int " len );
.br
.BI "int NLMSG_PAYLOAD(struct nlmsghdr *" nlh ", int " len );
.fi
.SH
.I <linux/netlink.h>
Ǥϡ netlink ǡ˥ꡢ뤿
ɸޥĤƤ롣
.BR cmsg (3)
Ƥǡ (auxiliary data) ѤΥޥȡ
ˤƻƤΤǤ롣
netlink åȤФƤȤꤵХåեˤϡ
ɬΥޥȤäƥ٤Ǥ롣
.TP
.B NLMSG_ALIGN
netlink åĹݤ·롣
.TP
.B NLMSG_LENGTH
Ǽΰ (payload) Ĺ
.I len
ˤȤꡢ
.I nlmsghdr
.I nlmsg_len
եɤǤ
·줿Ĺ (aligned length) ֤
.TP
.B NLMSG_SPACE
ڥɤĹ
.I len
netlink åΥХȿ֤
.TP
.B NLMSG_DATA
Ϳ
.I nlmsghdr
˴ϢŤ줿ǼΰؤΥݥ֤
.TP
.\" this is bizarre, maybe the interface should be fixed.
.B NLMSG_NEXT
ޥѡȥåˤơ
.I nlmsghdr
ꤹ롣ƤӽФȤˤϡ
ߤ nlmsghdr NLMSG_DONE åȤƤʤȤ
ǧʤФʤʤδؿϽü NULL ֤ʤǤ롣
length ϥåХåեλĤĹäͤǤ롣
ΥޥϤΰåإåĹʬ
.TP
.B NLMSG_OK
Netlink åڤƤ餺ѡǽǤп֤
.TP
.B NLMSG_PAYLOAD
.I nlmsghdr
˴ϢŤ줿ǼΰĹ֤
.SH
Υޥɸ Linux ǤγĥǤ롣
.SH
̾ϥͥ٥륤ե⡢
.I libnetlink
ͳ netlink Ѥۤɤ
.SH Ϣ
.BR netlink (7)
.PP
libnetlink ˴ؤƤ ftp://ftp.inr.ac.ru/ip-routing/iproute2*
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