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Null()

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NULL(1)

 

PURPOSE

This function checks for a null pointer value.  Will work with both P and F type fields.

PARTS

1 f/c/ePointer value to check.

 

RETURN TYPE - L

If null the function will return .T., otherwise .F.

 

COMMENTS

This is the only way to check for a pointer value that doesn't point at anything.

 

 

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