minor knf, no functional change.

leave the original errno as it was. don't report EFBIG on all mmap failures.

Instead of declaring our own err() which is different than the standard one,
and using it incorrectly in a few places because of confusion (does it print
errno or not?), declare two versions followin

Instead of declaring our own err() which is different than the standard one,
and using it incorrectly in a few places because of confusion (does it print
errno or not?), declare two versions following the standard ones xerrx and,
xerr, and use those as appropriate, implementing them using them vwarn and
vwarnx.

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Fix WARNS=4 issues (-Wcast-qual -Wshadow -Wsign-compare)

XXX: need a "cleaner" way to do the check in reverse.c, as a general rule

Duh fixed error printing.

Coverity CID 1580: Plug memory leak.

appease gcc -Wuninitialized on hp700.

do not use long for file offset, use off_t. otto@openbsd

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22365, verified by myself.

Remove #if __STDC__. De-__P() and ANSIfy.

avoid C sequence point issues warned about by development version of gcc.

use %ll_ instead of the less standard %q_

avoid repeated error messages by making bytes(), lines() and rlines() return
meaningful values, which can then be checked to avoid another error message.

Use MAP_SHARED, not MAP_PRIVATE.

Add MAP_FILE as well.

Make sure mmap() uses MAP_PRIVATE instead of 0.

WARNSify, fix .Nm usage, deprecate register, getopt returns -1 not EOF

Merged with 4.4lite.
Changed to conform to NetBSD's new RCS Id convention.

munmap() mmap()ed regions.

various off_t fixes

off_t foo, and MAP_FILE

Add RCS identifiers.

tail from ftp.uu.net:bsd-sources integrated