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Date: Fri, 10 Nov 2000 00:11:03 +0900
From: Em Yoshizawa <emyoshi@vc-net.ne.jp>
To: FreeBSD-net-jp@jp.FreeBSD.org
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Subject: [FreeBSD-net-jp 2829] byte order of IPv4 header(raw socket)
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$B5H_7$H?=$7$^$9!#(B

$B:G6aB4O@$N4X78$G%W%m%0%i%`$r=q$$$F$$$F!"(B
raw $B%=%1%C%H;HMQ;~$N(B IPv4 $B%X%C%@$N3F%U%#!<%k%I$,(B
FreeBSD $B$N;EMM$G$O$I$s$J%P%$%H=g=x$K$J$C$F$$$k$N$+$rCN$j$?$$$N$G$9$,(B
$B$=$N0Y$K$O2?$rD4$Y$l$P$$$$$N$G$7$g$&$+!)(B


$B8=:_KM$O!V(BUNIX $B%M%C%H%o!<%/%W%m%0%i%_%s%0Bh(B2$BHG(B Vol.1$B!W$r(B
$B;29M$K$7$J$,$i%W%m%0%i%`$r=q$$$F$$$?$N$G$9$,(B
$B$=$l$G$I$&$b5sF0$,JQ$@$C$?$N$G!";n$7$K<+J,$G(B
$B<u?.$7$?(B UDP $B%Q%1%C%H$N(B IPv4 $B%X%C%@$N3F%U%#!<%k%I$rI=<($9$k(B
$B%W%m%0%i%`$r:n$C$F<B9T$7$F$_$?$i(B
$B$=$N7k2L$OK\$N5-=RFbMF$H$OBgJ,0[$J$C$F$$$^$7$?!#(B

$B$9$k$H!"$=$NK\$K$h$k$H(B IP_HDRINCL $B%=%1%C%H%*%W%7%g%s$rMQ$$$F(B
raw $B%=%1%C%H$+$i(BIPv4 $B%X%C%@$r=PNO$7$?$$;~$O(B

$B!V(BBerkeley $BGI@8$N%+!<%M%k$G$O!"(Bip_len $B$H(B ip_off $B%U%#!<%k%I$,(B
$B%[%9%H%P%$%H=g=x$G$"$k$3$H$r=|$-!"$9$Y$F$N%U%#!<%k%I$,(B
$B%M%C%H%o!<%/%P%$%H=g=x$G$"$k(B(635page)$B!W(B

$B$H=q$$$F$"$k$K$b4X$o$i$:!"<j85$N(B FreeBSD 4.1.1 $B$G$O(B
ip_p $B$NCM$J$I$b%[%9%H%P%$%H=g=x$G$"$C$?$j!"(B
$B$^$?(B raw $B%=%1%C%H$+$i$NF~NO;~$K$O(B

$B!V%"%W%j%1!<%7%g%s$K(B IPv4 $B%X%C%@$,EO$5$l$k;~!"(Bip_len ip_off $B$*$h$S(B
ip_id $B$O%[%9%H%P%$%H=g=x$G$"$k$,!"$=$NB>$N%U%#!<%k%I$O(B
$B%M%C%H%o!<%/%P%$%H=g=x$G$"$k(B(637page)$B!W(B

$B$H$"$k$N$G$9$,!"<B:]$K$O(B ip_len $B$NCM$O%M%C%H%o!<%/%P%$%H=g=x$K(B
$B$J$C$F$$$F(B ntohs() $B$r;H$o$J$$$H@5$7$$CM$K$J$i$J$+$C$?$j$7$^$7$?!#(B
$B$3$NK\$,=q$+$l$?Ev;~$H$O;EMM$,JQ$o$C$?$H$$$&;v$J$N$G$7$g$&$+!)(B


$B5H_7(B $B@/MN(B<Yoshizawa Masahiro> -------------------------
  $BEl5~M}2JBg3XM}9)3XIt>pJs2J3X2J(B4$BG/(B
  e-mail: emyoshi@vc-net.ne.jp
          yosizawa@mt.is.noda.sut.ac.jp
-------------------------------------------------------
