NAME

       RkPrev - set the previous candidate as the current candidate

SYNOPSIS

       #include <canna/RK.h>
       int RkPrev(cxnum)
       int cxnum;

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 0, without doing anything, if it has
       been run in a nonconversion mode context.

                                                                                        RKPREV(3)