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6_functions
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fnexist
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Synopsis:
$fnexist(<function>)
Technical:
This function tells wether or not a built-in function exists.
Practical:
This can be used to emulate a built-in function in older versions of epic
that may not support it.
Returns:
1 If the built-in function <function> exists
0 If <function> doesn't exist
See Also:
cexist(6)