56 	(*planp) = (*planp)->next;  in yanknode()
57 	node->next = NULL;  in yanknode()
70 	PLAN *next;	/* temp node holding subexpression results */  in yankexpr()  local
88 			if ((next = yankexpr(planp)) == NULL)  in yankexpr()
97 			if (next->type == N_CLOSEPAREN) {  in yankexpr()
106 					tail = subplan = next;  in yankexpr()
108 					tail->next = next;  in yankexpr()
109 					tail = next;  in yankexpr()
111 				tail->next = NULL;  in yankexpr()
146 			tail->next = expr;  in paren_squish()
149 		tail->next = NULL;  in paren_squish()
161 	PLAN *next;	/* next node being processed */  in not_squish()  local
166 	tail = result = next = NULL;  in not_squish()
168 	while ((next = yanknode(&plan)) != NULL) {  in not_squish()
173 		if (next->type == N_EXPR)  in not_squish()
174 			next->p_data[0] = not_squish(next->p_data[0]);  in not_squish()
181 		if (next->type == N_NOT) {  in not_squish()
196 				next = node;  in not_squish()
198 				next->p_data[0] = node;  in not_squish()
203 			tail = result = next;  in not_squish()
205 			tail->next = next;  in not_squish()
206 			tail = next;  in not_squish()
208 		tail->next = NULL;  in not_squish()
220 	PLAN *next;	/* next node being processed */  in or_squish()  local
224 	tail = result = next = NULL;  in or_squish()
226 	while ((next = yanknode(&plan)) != NULL) {  in or_squish()
231 		if (next->type == N_EXPR)  in or_squish()
232 			next->p_data[0] = or_squish(next->p_data[0]);  in or_squish()
235 		if (next->type == N_NOT)  in or_squish()
236 			next->p_data[0] = or_squish(next->p_data[0]);  in or_squish()
243 		if (next->type == N_OR) {  in or_squish()
246 			next->p_data[0] = result;  in or_squish()
247 			next->p_data[1] = or_squish(plan);  in or_squish()
248 			if (next->p_data[1] == NULL)  in or_squish()
250 			return (next);  in or_squish()
255 			tail = result = next;  in or_squish()
257 			tail->next = next;  in or_squish()
258 			tail = next;  in or_squish()
260 		tail->next = NULL;  in or_squish()