RKPREV(3)
NAME
RRkkPPrreevv - set the previous candidate as the current candidate
SYNOPSIS
##iinncclluuddee <<ccaannnnaa//RRKK..hh>> iinntt RRkkPPrreevv((ccxxnnuumm)) iinntt ccxxnnuumm;;
DESCRIPTION
RkPrev sets the previous candidate as the current candidate or, if the current candidate is the first candidate, moves to the last candidate.
RETURN VALUE
- If successful, this function moves the current candidate in the context
and returns the current candidate number after the move. It returns 00,
without doing anything, if it has been run in a nonconversion mode context.