567                                 BoxPtr r2End,
585     BoxPtr r2End;               /* End of 2d region              */  in RegionOp()  local
621     r2End = r2 + numRects;  in RegionOp()
623     assert(r2 != r2End);  in RegionOp()
679         assert(r2 != r2End);  in RegionOp()
682         FindBand(r2, r2BandEnd, r2End, r2y1);  in RegionOp()
741     } while (r1 != r1End && r2 != r2End);  in RegionOp()
761     else if ((r2 != r2End) && appendNon2) {  in RegionOp()
763         FindBand(r2, r2BandEnd, r2End, r2y1);  in RegionOp()
768         AppendRegions(newReg, r2BandEnd, r2End);  in RegionOp()
897              BoxPtr r2, BoxPtr r2End, short y1, short y2, Bool *pOverlap)  in RegionUnionO()  argument
904     assert(r1 != r1End && r2 != r2End);  in RegionUnionO()
919     while (r1 != r1End && r2 != r2End) {  in RegionUnionO()
932     else if (r2 != r2End) {  in RegionUnionO()
935         } while (r2 != r2End);  in RegionUnionO()