201 			(*ppr)->bal = 0;  in sprout()
220 			switch ((*ppr)->bal) {  in sprout()
224 				(*ppr)->bal = 0;  in sprout()
230 				(*ppr)->bal = -1;  in sprout()
236 				if (p1->bal == -1) {		/*%< LL */  in sprout()
240 					(*ppr)->bal = 0;  in sprout()
252 					if (p2->bal == -1)  in sprout()
253 						(*ppr)->bal = 1;  in sprout()
255 						(*ppr)->bal = 0;  in sprout()
257 					if (p2->bal == 1)  in sprout()
258 						p1->bal = -1;  in sprout()
260 						p1->bal = 0;  in sprout()
263 				(*ppr)->bal = 0;  in sprout()
279 			switch ((*ppr)->bal) {  in sprout()
282 				(*ppr)->bal = 0;  in sprout()
287 				(*ppr)->bal = 1;  in sprout()
292 				if (p1->bal == 1) {		/*%< RR */  in sprout()
296 					(*ppr)->bal = 0;  in sprout()
308 					if (p2->bal == 1)  in sprout()
309 						(*ppr)->bal = -1;  in sprout()
311 						(*ppr)->bal = 0;  in sprout()
313 					if (p2->bal == -1)  in sprout()
314 						p1->bal = 1;  in sprout()
316 						p1->bal = 0;  in sprout()
320 				(*ppr)->bal = 0;  in sprout()
423 	switch ((*ppr_p)->bal) {  in bal_L()
426 		(*ppr_p)->bal = 0;  in bal_L()
430 		(*ppr_p)->bal = 1;  in bal_L()
436 		b1 = p1->bal;  in bal_L()
443 				(*ppr_p)->bal = 1;  in bal_L()
444 				p1->bal = -1;  in bal_L()
448 				(*ppr_p)->bal = 0;  in bal_L()
449 				p1->bal = 0;  in bal_L()
455 			b2 = p2->bal;  in bal_L()
461 				(*ppr_p)->bal = -1;  in bal_L()
463 				(*ppr_p)->bal = 0;  in bal_L()
465 				p1->bal = 1;  in bal_L()
467 				p1->bal = 0;  in bal_L()
469 			p2->bal = 0;  in bal_L()
482 	switch ((*ppr_p)->bal) {  in bal_R()
485 		(*ppr_p)->bal = 0;  in bal_R()
489 		(*ppr_p)->bal = -1;  in bal_R()
495 		b1 = p1->bal;  in bal_R()
502 				(*ppr_p)->bal = -1;  in bal_R()
503 				p1->bal = 1;  in bal_R()
507 				(*ppr_p)->bal = 0;  in bal_R()
508 				p1->bal = 0;  in bal_R()
514 			b2 = p2->bal;  in bal_R()
520 				(*ppr_p)->bal = 1;  in bal_R()
522 				(*ppr_p)->bal = 0;  in bal_R()
524 				p1->bal = -1;  in bal_R()
526 				p1->bal = 0;  in bal_R()
528 			p2->bal = 0;  in bal_R()