32  *  We shall indicate color with case, where black nodes are uppercase and red
33  *  nodes will be lowercase. Unknown color nodes shall be drawn as red within
125 static inline void rb_set_parent_color(RBNode *n, RBNode *p, RBColor color)  in rb_set_parent_color()  argument
127     rb_set_pc(n, (uintptr_t)p | color);  in rb_set_parent_color()
191                                          RBRoot *root, RBColor color)  in rb_rotate_set_parents()  argument
197     rb_set_parent_color(old, new, color);  in rb_rotate_set_parents()
234                  * Case 1 - node's uncle is red (color flips).  in rb_insert_augmented()
301                 /* Case 1 - color flips */  in rb_insert_augmented()
386                      * Case 2 - sibling color flip  in rb_erase_color()
387                      * (p could be either color here)  in rb_erase_color()
414                  * (p could be either color here)  in rb_erase_color()
428                  *         which set sl the color of p  in rb_erase_color()
451              * Case 4 - left rotate at parent + color flips  in rb_erase_color()
452              * (p and sl could be either color here.  in rb_erase_color()
454              *  p's color, and sl keeps its color)  in rb_erase_color()
488                     /* Case 2 - sibling color flip */  in rb_erase_color()
513             /* Case 4 - right rotate at parent + color flips */  in rb_erase_color()