# $EPIC: cexist.txt,v 1.2 2006/07/17 19:41:50 sthalik Exp $
======Synopsis:======
$__cexist__(<command>)

======Technical:======
This function tells wether or not a built-in command exists.

======Practical:======
This can be used to emulate a built-in command in older versions of epic
that may not support it.

======Returns:======
|  1   |If the built-in command <command> exists    |
|  0   |If <command> doesn't exist                  |