specifies a C language type for the returned value.
Tip
Return-type can be preceded by either the UNSIGNED or EXCELDATE
modifiers. You need to use EXCELDATE if the return type is a Microsoft
Excel date.
See
“Supported C Return Types” on page 1367
function-name
specifies the name of the function to be registered.
Tip
Function names within a given package must be unique in the first 32
characters. ...
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