test(1); version 7-like  --  author Erik Baalbergen
modified by Eric Gisin to be used as built-in.
modified by Arnold Robbins to add SVR3 compatibility
(-x -c -b -p -u -g -k) plus Korn's -L -nt -ot -ef and new -S (socket).
modified by J.T. Conklin for NetBSD.

This program is in the Public Domain.

file:/src/libged/exists/exists.c

