Finally, it's passing a pointer to a pointer to a double by reference. If you think in terms of typedefs like this you'll understand the proper ordering of the & and * plus what it means. *& signifies the receiving the pointer by reference. It means it is an alias for the passing parameter.
Full Definition of PRORATE. transitive verb. : to divide, distribute, or assess proportionately. intransitive verb. : to make a pro rata distribution.ull Definition of PRORATE. transitive verb. : to divide, distribute, or assess proportionately. intransitive verb. : to make a pro rata distribution.
Noun. 1. provitamin-vitamin precursor; a substance that is converted into a vitamin in animal tissues. hydrocarbon-an organic compound containing only carbon and hydrogen. carotene, carotin, provitamin A-an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver.