somCastObj - Parameters

receiver (SOMObject)

A pointer to an object of type SOMObject.

ancestor (SOMClass)

A pointer to a class that is an ancestor of the actual class of the receiver.

rc (boolean)

TRUE

Returns 1 (TRUE) if the operation is successful.
FALSE
Returns 0 (false) if the operation is not successful. The operation fails if ancestor is not actually an ancestor of the class of the object.

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