Rename pread to preadfd

NO_HISTORY->SMALL

Fix problems with -DNO_HISTORY

Set input files to close-on-exec mode.

kill 'register'

Fix problems that gcc -Wall found (from Todd Miller, OpenBSD)

PR/2808: Remove trailing whitespace (from FreeBSD)

- fix PR1620, -DNO_HISTORY did not work.
- restore parsing state after parsing old style command substitution.
The ';' in '`echo z;`' broke the following:
for i in 1; do
cat > /dev/tty << __EOF_

- fix PR1620, -DNO_HISTORY did not work.
- restore parsing state after parsing old style command substitution.
The ';' in '`echo z;`' broke the following:
for i in 1; do
cat > /dev/tty << __EOF__
`echo z;`
__EOF__
done

cVS: Enter Log. Lines beginning with `CVS: ' are removed automatically

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fixed previous booboo that broke command line editing input.

- Fix -v flag, so that it works properly when the shell reads from scripts.
- Bad style to fix my own PR, but I'd like to commit the parallel make
changes soon, and this is a necessary prerequisite.

Changed so that 'PATH=newpath command' works, instead of looking at the
old path. Synced input.c with vangogh.

needs string.h

Merge in my changes from vangogh, and fix the x=`false`; echo $? == 0
bug.

convert to new RCS id conventions.

pull prototypes into scope for string functions.

from James Jegers <jimj@miller.cs.uwm.edu>: quiet -Wall, and squelch
some of the worst style errors.

Add RCS ids.

Fix from Christos for when NO_HISTORY is defined

a few more things to omit when NO_HISTORY defined. from noel@cs.oberlin.edu

add back in support for building w/o obj dir. also, add NO_HISTORY
define, which (if you invoke mkbuiltins properly) gets you a sh w/o
history of command line editing (for floppy sh).

Include appropriate header files to bring function prototypes into scope.

sync with 4.4lite

Add RCS identifiers.

changed "Id" to "Header" for rcsids

added rcs ids to all files