Initial import of the ircii-pana-1.1-final source tree.

git-svn-id: svn://svn.code.sf.net/p/bitchx/code/tags/ircii-pana-1.1-final@1 13b04d17-f746-0410-82c6-800466cd88b0

bitchx-docs/6_Functions/cexist

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+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
+   
+See Also:
+   fnexist(6)
+