MFPLI00572S Argument number 2 to QUICKSORTX must be type ENTRY LIMITED having two POINTER BYVALUE arguments and the RETURNS(FIXED BIN(31)) attribute.

The second argument to QUICKSORTX must of type ENTRY LIMITED, requires two POINTER BYVALUE arguments, and must RETURN type FIXED BIN(31).
Resolution:
Supply a suitable ENTRY LIMITED argument.
Module:
PRCSCALL.PL1