v375 4/7/02 Fix searching for SGR sequences; fix SECURE build;
add SGR support to DJGPP version (thanks to Eli Zaretskii).
v376 6/10/02 Fix bug in overstriking mulitbyte UTF-8 characters
(thanks to Jungshik Shin).
Posted to Web page.
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v377 9/10/02 Fix bug in Windows version when file contains CR;
fix bug in search highlights with -R;
make initial buffer limit really be 64K not unlimited.
v378 9/30/02 Misc bug fixes and compiler warning cleanup.
Posted to Web page.
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v379 11/23/02 Add -L option; fix bug with ctrl-K in lesskey files;
improve UTF-8 overstriking and underscore overstriking;
fix minor man page problems; change to autoconf 2.54.
v380 11/24/02 Make LINENUM same as POSITION.
v381 11/28/02 Make -N use 7 columns for line number if possible.
belong to us. otherwise, data will be lost on server crash.
- use b_bcount instead of b_bufsize to determine
how many pages we should deal with.
based on a patch from Chuck Silvers.
discussed on tech-kern.
* m_apply(), which applies a function to each mbuf in chain
starting at a specified offset, for a specified length.
* m_getptr(), which returns a pointer to the mbuf, as well as
the offset into that mbuf, corresponding to an offset from
the beginning of an mbuf chain.
From OpenBSD, cleaned up slightly by me.
stats after printing them.
(Basically this just calls SIOCZIFDATA instead of SIOCGIFDATA).
Submitted by Jean-Edouard BABIN in PR bin/21078
However, he suggested using -c, and cgd (reasonably) noted that -z for
"zero" was probably more reasonable.
I've also changed the code very slightly.
