146       PosPtr SepEnd = consumeAllSeparators(Start, End);  in increment()  local
147       if (SepEnd != End) {  in increment()
148         PosPtr TkEnd = consumeName(SepEnd, End);  in increment()
150           return makeState(PS_InFilenames, SepEnd, TkEnd);  in increment()
152       return makeState(PS_InTrailingSep, Start, SepEnd);  in increment()
172       if (PosPtr SepEnd = consumeAllSeparators(RStart, REnd)) {  in decrement()  local
173         if (SepEnd == REnd)  in decrement()
175         PosPtr TkStart = consumeRootName(SepEnd, REnd);  in decrement()
178         return makeState(PS_InTrailingSep, SepEnd + 1, RStart + 1);  in decrement()
191       PosPtr SepEnd = consumeAllSeparators(RStart, REnd);  in decrement()  local
192       if (SepEnd == REnd)  in decrement()
194       PosPtr TkStart = consumeRootName(SepEnd ? SepEnd : RStart, REnd);  in decrement()
196         if (SepEnd)  in decrement()
197           return makeState(PS_InRootDir, SepEnd + 1, RStart + 1);  in decrement()
200       TkStart = consumeName(SepEnd, REnd);  in decrement()
201       return makeState(PS_InFilenames, TkStart + 1, SepEnd + 1);  in decrement()