PRTimeParamFn ============= This type defines a callback function to calculate and return the time parameter offsets from a calendar time object in GMT. Syntax ------ .. code:: #include typedef PRTimeParameters (PR_CALLBACK_DECL *PRTimeParamFn) (const PRExplodedTime *gmt); Description ----------- The type :ref:`PRTimeParamFn` represents a callback function that, when given a time instant in GMT, returns the time zone information (offset from GMT and DST offset) at that time instant.