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Date: Sun, 30 May 1999 20:43:15 +0900
From: Yamaguchi Takahiro <tyama@ftth.ee.uec.ac.jp>
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Subject: [man-jp-reviewer 1385] tcp.4
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$B$3$s$K$A$O(B, $B;38}!wEEDLBg$G$9!#(B
tcp.4 $B$N=iLu$G$9!#8D?ME*;v>p$K$h$jM=Ls$+$i$:$$$V$s;~4V$,$?$C$F$7$^$$$^(B
$B$7$?$,(B, $B$H$j$"$($:$R$HDL$j$G$-$^$7$?$N$G::FI$*4j$$CW$7$^$9!#(B
-----
 $B;38}(B $B5.9((B (Yamaguchi Takahiro) 
 $BEE5$DL?.Bg3X(B $BEE;R9)3X@l96(B $B;0LZ8&5f<<(B
 tyama@ftth.ee.uec.ac.jp , ytaka@a1.mbn.or.jp

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.\" Copyright (c) 1983, 1991, 1993
.\"	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.
.\"
.\"     From: @(#)tcp.4	8.1 (Berkeley) 6/5/93
.\" jpman %Id: tcp.4,v 0.0 1999/02/22 16:14:02 horikawa Stab %
.\"	$Id: tcp.4,v 1.9 1997/03/19 19:47:40 bde Exp $
.\"
.\" WORD: boolean option    $B%V!<%k%*%W%7%g%s(B
.Dd February 14, 1995
.Dt TCP 4
.Os BSD 4.2
.Sh $BL>>N(B
.Nm tcp
.Nd $B%$%s%?!<%M%C%H%H%i%s%9%_%C%7%g%s%3%s%H%m!<%k%W%m%H%3%k(B
.Sh $B=q<0(B
.Fd #include <sys/types.h>
.Fd #include <sys/socket.h>
.Fd #include <netinet/in.h>
.Ft int
.Fn socket AF_INET SOCK_STREAM 0
.Sh $B2r@b(B
.Tn TCP
$B%W%m%H%3%k$O?.Mj@-$N$"$k!"%U%m!<@)8f$5$l$?!"(B
$BA4Fs=E$N%G!<%?E>Aw$rDs6!$7$^$9!#(B
$BK\%W%m%H%3%k$O(B
.Dv SOCK_STREAM
$B$H$7$FCj>]2=$5$l$?5!G=$r%5%]!<%H$9$k$b$N$H$7$F;HMQ$5$l$k!"(B
$B%P%$%H%9%H%j!<%`7?$N%W%m%H%3%k$G$9!#(B
TCP $B$OI8=`$N%$%s%?!<%M%C%H%"%I%l%9%U%)!<%^%C%H$r;HMQ$7!"(B
$B2C$($F%[%9%HKh$N(B
.Dq $B%]!<%H%"%I%l%9(B
$B$N=89g$rDs6!$7$^$9!#(B
$B=>$C$F3F%"%I%l%9$O!"%[%9%H5Z$S%M%C%H%o!<%/$rFCDj$9$k(B
$B%$%s%?!<%M%C%H%"%I%l%9$H!"(B
$B%[%9%H>e$N%T%"%(%s%F%#%F%#$r<1JL$9$kFCDj(B
.Tn TCP
$B%]!<%H$+$i9=@.$5$l$^$9!#(B
.Pp
tcp $B%W%m%H%3%k$rMxMQ$7$F$$$k%=%1%C%H$O(B
.Dq $BG=F07?(B
$B$"$k$$$O(B
.Dq $B<uF07?(B
$B$N$I$A$i$+$G$9!#(B
$BG=F07?$N%=%1%C%H$O<uF07?$N%=%1%C%H$KBP$7%3%M%/%7%g%s$rD%$j$^$9!#(B
$B%G%U%)%k%H$G$O(B
.Tn TCP
$B%=%1%C%H$OG=F07?$G:n@.$5$l$^$9!#(B
$B<uF07?%=%1%C%H$r:n@.$9$k$K$O(B
.Xr bind 2
$B%7%9%F%`%3!<%k$G%=%1%C%H$r%P%$%s%I$7$?8e!"(B
.Xr listen 2
$B%7%9%F%`%3!<%k$r;H$&I,MW$,$"$j$^$9!#(B
.Xr accept 2
$B%3!<%k$OF~NO%3%M%/%7%g%s$r<u$1IU$1$k$?$a$K(B
$B<uF07?%=%1%C%H$N$_$,;HMQ$7$^$9!#(B
.Xr connect 2
$B%3!<%k$O%3%M%/%7%g%s$rD%$k$?$a$K(B
$BG=F07?%=%1%C%H$N$_$,;HMQ$7$^$9!#(B
.Tn TCP
$B$O$5$i$K!"%H%i%s%6%/%7%g%s(B
.Tn TCP
$B$H8F$P$l$k%G!<%?%0%i%`$NMM$J%b!<%I$b%5%]!<%H$7$F$$$^$9!#(B
$BK\7o$K4X$7$F$O(B
.Xr ttcp 4
$B$G=R$Y$i$l$F$$$^$9!#(B
.Pp
$B<uF07?%=%1%C%H$O(B
$BJ#?t$N%M%C%H%o!<%/$+$iMh$k%3%M%/%7%g%sMW5a$KBP=h$9$k$?$a$K!"(B
$B$=$N0LCV$r(B
.Dq $BL@3N$K;XDj$7$J$$(B
$B$3$H$,$G$-$^$9!#(B
$B$3$N5;=Q$O(B
.Dq $B%o%$%k%I%+!<%I%"%I%l%C%7%s%0(B
$B$H8F$P$l!"(B
$BC10l$N%5!<%P$,J#?t$N%M%C%H%o!<%/>e$N%/%i%$%"%s%H$K%5!<%S(B
$B%9$rDs6!$9$k$3$H$,$G$-$^$9!#(B
$BA4%M%C%H%o!<%/$+$i$N3NN)BT$A$r$9$k%=%1%C%H$r:n@.$9$k$K$O!"(B
$B%$%s%?!<%M%C%H%"%I%l%9(B
.Dv INADDR_ANY
$B$r%P%$%s%I$9$kI,MW$,$"$j$^$9!#(B
.Tn TCP
$B%]!<%H$O$3$N;~E@$G4{$K;XDj$5$l$F$$$k$G$7$g$&!#(B
$B$b$7%]!<%H$,;XDj$5$l$F$$$J$$>l9g$O%7%9%F%`$,0l$D3d$jEv$F$^$9!#(B
$B%3%M%/%7%g%s$,0lEY3NN)$5$l$k$H!"(B
$B%=%1%C%H$N%"%I%l%9$O%T%"%(%s%F%#%F%#$N>l=j$K$h$j8GDj$5$l$^$9!#(B
$B%=%1%C%H$K3d$jEv$F$i$l$?%"%I%l%9$O!"(B
$B%Q%1%C%H$,Aw<u?.$5$l$k%M%C%H%o!<%/%$%s%?%U%'!<%9$H(B
$B7k$SIU$1$i$l$F$$$^$9!#(B
$BIaDL!"$3$N%"%I%l%9$O%T%"%(%s%F%#%F%#$N%M%C%H%o!<%/$H0lCW$7$^$9!#(B
.Pp
.Tn TCP
$B$O%=%1%C%H$N%*%W%7%g%s$r$$$/$D$+%5%]!<%H$7$F$*$j!"$=$l$i$O(B
.Xr setsockopt 2
$B$K$h$j@_Dj$G$-$^$9!#$^$?!"(B
.Xr getsockopt 2
$B$K$h$j$=$l$i$rD4$Y$k$3$H$,$G$-$^$9(B:
.Bl -tag -width TCP_NODELAYx
.It Dv TCP_NODELAY
$BBgDq$N>u672<$K$*$$$F!"(B
.Tn TCP
$B$O%G!<%?$,8=$l$k$H$=$l$rAw?.$7$^$9!#(B
$B;D$C$F$$$k%G!<%?$N<u?.3NG'$,L$40N;$N>l9g$O!"(B
$B<u?.3NG'$,<u?.$5$l$?;~$9$0$K0l$D$N%Q%1%C%H$GAw?.$9$k$?$a$K(B
$B>/NL$N=PNO%G!<%?$r=8$a$F$*$-$^$9!#(B
$BJV;v$rJV$5$J$$%^%&%9%$%Y%s%H$N%9%H%j!<%`$N(B
$BAw?.$r9T$&MM$J%&%#%s%I%&%7%9%F%`Ey!"(B
$B>/?t$N%/%i%$%"%s%H$K$H$C$F$O!"(B
$B$3$N%Q%1%C%H2=$O=EBg$JCY1d$N860x$H$J$j$^$9!#(B
$B%V!<%k%*%W%7%g%s(B
.Dv TCP_NODELAY
$B$K$h$j$3$N%"%k%4%j%:%`$rL58z$K$9$k$3$H$,$G$-$^$9!#(B
.It Dv TCP_MAXSEG
$B%G%U%)%k%H$G$O!"Aw?.B&5Z$S<u?.B&$N(B TCP $B4V$N3F%3%M%/%7%g%s$G(B
$B3F!9:GBg%;%0%a%s%H%5%$%:$N<h$j7h$a$r9T$$$^$9!#(B
.Dv TCP_MAXSEG
$B%*%W%7%g%s$K$h$j(B
$B$3$N<h$j7h$a$N7k2L$r%f!<%6$,7hDj$9$k$3$H$,$G$-!"(B
$B$^$?MW5a$,$"$l$P$=$NCM$r8:$i$9$3$H$,$G$-$^$9!#(B
.It Dv TCP_NOOPT
.Tn TCP
$B$OIaDL!"(B
$BK\<BAu$K$*$$$FDs6!$5$l$kMM!9$J(B
.Tn TCP
$B3HD%5!G=$K=>$$(B
$B3F%Q%1%C%H$K$*$$$F$$$/$D$+$N%*%W%7%g%s$rAw?.$7$^$9!#(B
$B%V!<%k%*%W%7%g%s(B
.Dv TCP_NOOPT
$B$O3F%3%M%/%7%g%sKh$K;HMQ$5$l$k(B
.Tn TCP
$B%*%W%7%g%s$rL58z2=$9$k$?$a$KDs6!$5$l$F$$$^$9!#(B
.It Dv TCP_NOPUSH
$B47Nc$K$h$j!"Aw?.B&$N(B TCP $B$O(B
.Dq push
$B%S%C%H$r%;%C%H$7!"(B($B$b$75v2D$5$l$F$$$l$P(B) 
.Xr write 2
$B$^$?$O(B
.Xr writev 2
$B$,8F$P$l$kEY$KB(:B$KAw?.$7$^$9!#(B
.Dv TCP_NOPUSH
$B%*%W%7%g%s$O(B
$B%H%i%s%6%/%7%g%s(B TCP (
.Xr ttcp 4
$B$r;2>H(B)
$B$r%5!<%P$,4JC1$KMxMQ$9$k$?$a$KDs6!$5$l$F$$$^$9!#(B
$BK\%*%W%7%g%s$,(B 0 $B0J30$NCM$K%;%C%H$5$l$k$H!"(B
.Tn TCP
$B$O%=%1%C%H$,%/%m!<%:$5$l$k$+FbIt$NAw?.%P%C%U%!$,$$$C$Q$$$K$J$k$^$G!"(B
$B$"$i$f$k%G!<%?$NAw?.$rCY$i$;$^$9!#(B
.El
.Pp
.Xr setsockopt 2
$B%3!<%k$K$*$1$k%*%W%7%g%s%l%Y%k$O(B
.Tn TCP
$B$N%W%m%H%3%k%J%s%P!<$G$"$j!"(B
.Xr getprotobyname 3
$B$"$k$$$O(B
.Dv IPPROTO_TCP
$B$+$iF@$k$3$H$,$G$-$^$9!#(B
$BA4%*%W%7%g%s$,(B
.Aq Pa netinet/tcp.h
$B$K5-=R$5$l$F$$$^$9!#(B
.Pp
.Tn IP
$B%H%i%s%9%]!<%H%l%Y%k$G$N%*%W%7%g%s$O(B
.Tn TCP
$B$G;HMQ2DG=$G$9!#K\7o$O(B
.Xr ip 4
$B$r;2>H$7$F$/$@$5$$!#(B
$B%=!<%9%k!<%H$NF~NO%3%M%/%7%g%sMW5a$,5-:\$5$l$F$*$j!"(B
$B$^$?5U8~$-$N%=!<%9%k!<%H$,1~Ez$G;HMQ$5$l$^$9!#(B
.Sh MIB $B$NJQ?t(B
.Nm
$B%W%m%H%3%k$O(B
.Xr sysctl 3
MIB $B$N(B
.Li net.inet
$B$N;^$K(B 3 $B$D$NJQ?t$r<BAu$7$F$$$^$9!#(B

.Bl -tag -width TCPCTL_DO_RFC1644
.It Dv TCPCTL_DO_RFC1323
.Pq tcp.rfc1323
RFC 1323 $B$N%&%#%s%I%&%9%1!<%j%s%05Z$S(B
$B%?%$%`%9%?%s%W$N%*%W%7%g%s$N<BAu(B
($B%G%U%)%k%H$O??(B)$B!#(B
.It Dv TCPCTL_DO_RFC1644
.Pq tcp.rfc1644
$B%H%i%s%6%/%7%g%s(B
.Tn TCP
$B$N<BAu!#(B
RFC 1644 $B$G=R$Y$i$l$F$$$^$9!#(B
.It Dv TCPCTL_MSSDFLT
.Pq tcp.mssdflt
$B:GBg%;%0%a%s%H%5%$%:(B
.Pq Dq MSS
$B$N%G%U%)%k%HCM!#(B
MSS $B$N<h$j7h$a$N:]$KFC$K;X<($,L5$$>l9g$K;HMQ$5$l$^$9!#(B
.El
.Sh $B?GCG(B
$B%=%1%C%HA`:n$N<:GT$N:]$K$O<!$N%(%i!<$N$&$A$N0l$D$,JV$5$l$^$9(B:
.Bl -tag -width [EADDRNOTAVAIL]
.It Bq Er EISCONN
$B4{$K%3%M%/%7%g%s$,3NN)$5$l$F$$$k%=%1%C%H$KBP$7(B
$B$5$i$K%3%M%/%7%g%s$r3NN)$5$;$h$&$H$7$?;~(B
.It Bq Er ENOBUFS
$BFbItE*$J%G!<%?9=B$$N$?$a$N%a%b%j$,ITB-$7$?;~(B
.It Bq Er ETIMEDOUT
$B2aEY$N:FAw?.$K$h$j%3%M%/%7%g%s$,Mn$A$?;~(B
.It Bq Er ECONNRESET
$B%j%b!<%H%T%"$,6/@)E*$K%3%M%/%7%g%s$r%/%m!<%:$7$?;~(B
.It Bq Er ECONNREFUSED
$B%j%b!<%H%T%"$,0U<1E*$K%3%M%/%7%g%s$N3NN)$r5qH]$7$F$-$?;~(B
($BBgDq$O$=$N%]!<%H$r4F;k$7$F$$$k%W%m%;%9$,L5$$$?$a$G$9(B)
.It Bq Er EADDRINUSE
$B4{$K3d$jEv$F$i$l$F$$$k%]!<%H$KBP$7%=%1%C%H$r:n@.$7$h$&$H$7$?;~(B
.It Bq Er EADDRNOTAVAIL
$BBP1~$7$?%M%C%H%o!<%/%$%s%?%U%'!<%9$,B8:_$7$J$$(B
$B%M%C%H%o!<%/%"%I%l%9$r;XDj$7!"%=%1%C%H$r:n@.$7$h$&$H$7$?;~(B
.It Bq Er EAFNOSUPPORT
$B%^%k%A%-%c%9%H%"%I%l%9$KBP$7(B
$B%=%1%C%H$r%P%$%s%I$^$?$O@\B3$7$h$&$H$7$?;~(B
.El
.Sh $B4XO"9`L\(B
.Xr getsockopt 2 ,
.Xr socket 2 ,
.Xr sysctl 3 ,
.Xr inet 4 ,
.Xr intro 4 ,
.Xr ip 4 ,
.Xr ttcp 4
.Rs
.%A V. Jacobson, R. Braden, and D. Borman
.%T "TCP Extensions for High Performance"
.%O RFC 1323
.Re
.Rs
.%A R. Braden
.%T "T/TCP \- TCP Extensions for Transactions"
.%O RFC 1644
.Re
.Sh $BNr;K(B
.Nm
$B%W%m%H%3%k$O(B
.Bx 4.2
$B$+$iEP>l$7$^$7$?!#(B
$B%&%#%s%I%&%9%1!<%j%s%05Z$S%?%$%`%9%?%s%W$K4X$9$k(B RFC 1323 $B$N3HD%5!G=$O(B
.Bx 4.4
$B$GDI2C$5$l$^$7$?!#(B

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