65 	(*planp) = (*planp)->next;  in yanknode()
66 	node->next = NULL;  in yanknode()
79 	PLAN *next;		/* temp node holding subexpression results */  in yankexpr()  local
96 			if ((next = yankexpr(planp)) == NULL)  in yankexpr()
105 			if (next->execute == f_closeparen) {  in yankexpr()
113 					tail = subplan = next;  in yankexpr()
115 					tail->next = next;  in yankexpr()
116 					tail = next;  in yankexpr()
118 				tail->next = NULL;  in yankexpr()
153 			tail->next = expr;  in paren_squish()
156 		tail->next = NULL;  in paren_squish()
168 	PLAN *next;		/* next node being processed */  in not_squish()  local
175 	while ((next = yanknode(&plan))) {  in not_squish()
180 		if (next->execute == f_expr)  in not_squish()
181 			next->p_data[0] = not_squish(next->p_data[0]);  in not_squish()
188 		if (next->execute == f_not) {  in not_squish()
207 				next = node;  in not_squish()
209 				next->p_data[0] = node;  in not_squish()
214 			tail = result = next;  in not_squish()
216 			tail->next = next;  in not_squish()
217 			tail = next;  in not_squish()
219 		tail->next = NULL;  in not_squish()
231 	PLAN *next;		/* next node being processed */  in or_squish()  local
235 	tail = result = next = NULL;  in or_squish()
237 	while ((next = yanknode(&plan)) != NULL) {  in or_squish()
242 		if (next->execute == f_expr)  in or_squish()
243 			next->p_data[0] = or_squish(next->p_data[0]);  in or_squish()
246 		if (next->execute == f_not)  in or_squish()
247 			next->p_data[0] = or_squish(next->p_data[0]);  in or_squish()
254 		if (next->execute == f_or) {  in or_squish()
257 			next->p_data[0] = result;  in or_squish()
258 			next->p_data[1] = or_squish(plan);  in or_squish()
259 			if (next->p_data[1] == NULL)  in or_squish()
261 			return (next);  in or_squish()
266 			tail = result = next;  in or_squish()
268 			tail->next = next;  in or_squish()
269 			tail = next;  in or_squish()
271 		tail->next = NULL;  in or_squish()