# $EPIC: cexist.txt,v 1.2 2006/07/17 19:41:50 sthalik Exp $
This function tells wether or not a built-in command exists.
This can be used to emulate a built-in command in older versions of epic that may not support it.
|1||If the built-in command <command> exists|
|0||If <command> doesn't exist|