78 #define  YSENTINEL  SKIN_REGION_SENTINEL  macro
194     RASSERT(runs[0] != YSENTINEL && runs[1] != YSENTINEL );  in runs_next_scanline()
214     } while (runs[0] != YSENTINEL);  in runs_find_y()
227     runs[5] = YSENTINEL;  in runs_set_rect()
233     RASSERT(src[0] != YSENTINEL);  in runs_copy_scanline()
234     RASSERT(src[1] != YSENTINEL);  in runs_copy_scanline()
323     while (ytop != YSENTINEL)  in runs_coalesce()
330         RASSERT( ybot != YSENTINEL );  in runs_coalesce()
355     dst[0] = YSENTINEL;  in runs_coalesce()
495     while (runs[0] != YSENTINEL) {  in skin_region_translate()
499         RASSERT(ybot != YSENTINEL);  in skin_region_translate()
506             RASSERT(xright != YSENTINEL);  in skin_region_translate()
643         while (runs1[0] != YSENTINEL && runs2[0] != YSENTINEL)  in skin_region_test_intersect()
737         if (runs1[0] != YSENTINEL) {  in skin_region_test_intersect()
741         if (runs2[0] != YSENTINEL) {  in skin_region_test_intersect()
815     if (ytop1 != YSENTINEL && ytop2 != YSENTINEL)  in region_operator_do()
819         while (ytop1 != YSENTINEL && ytop2 != YSENTINEL)  in region_operator_do()
826             RASSERT(ybot1 != YSENTINEL);  in region_operator_do()
827             RASSERT(ybot2 != YSENTINEL);  in region_operator_do()
967         while (ytop1 != YSENTINEL) {  in region_operator_do()
975         while (ytop2 != YSENTINEL) {  in region_operator_do()
982     runs[0] = YSENTINEL;  in region_operator_do()
1173     static const Run dummy[ 2 ] = { XSENTINEL, YSENTINEL };  in skin_region_iterator_next()
1195         if (band[0] == YSENTINEL || band[1] == YSENTINEL)  in skin_region_iterator_next()