Module Name:	src
Committed By:	kleink
Date:		Mon Feb 22 22:23:10 UTC 1999

Modified Files:
	src/usr.bin/what: what.1 what.c
Log Message:
XPG4.2:
* Add the -s (first identifier found only) flag.
* Require at least one file operand; the standard does not permit reading from
stdin in case none were given.
* Recogize '\' as an additional identifier end character.
* Make the exit status depend on whether any matches were found.