added string.h

Obey PATH=newpath command

Instead of special casing SIGKILL, pretend that trap
succeeded every time sigaction failed [suggested by mycroft]

Fake trapping SIGKILL, because we know it will fail.

fixed FOO=1 . ./foo; echo $FOO where foo contained echo $FOO
I.e. variable assignments were not honored is the source command.

fix which /bin/csh returning .//bin/csh
(adapted changes from the tcsh source)

$ ); echo $? echoed 0,all other shells echo 2.
Now we set the exitstatus to 2 for all EXERROR errors.
Also I changed the exitstatus to 1 when a command is not found
to comply with historical pract

$ ); echo $? echoed 0,all other shells echo 2.
Now we set the exitstatus to 2 for all EXERROR errors.
Also I changed the exitstatus to 1 when a command is not found
to comply with historical practice.

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Fixed ${#} which was incorrectly parsed as ${#var}

convert empty return path to <>; use -p instead of -oM

fixed bug
false

Fix new bug where if exitstatus was not correct if condition
failed

fixed so that existatus is preserved in x=`false`

update to reflect new -t syntax (same as mount)

forgot to check this in...

delete printf.o

add fd >&$var fix

misc cleanup

No changes

merged netbsd changes

merged netbsd changes

date and time created 95/05/04 17:59:13 by christos

date and time created 95/05/04 17:59:12 by christos

cross ref vai.1

Fixes from Chris Demetriou and Charles Hannum