44 static PLAN *yanknode(PLAN **);
45 static PLAN *yankexpr(PLAN **);
51 static PLAN *
52 yanknode(PLAN **planp)  in yanknode()
54 	PLAN *node;		/* top node removed from the plan */  in yanknode()
69 static PLAN *
70 yankexpr(PLAN **planp)  in yankexpr()
72 	PLAN *next;		/* temp node holding subexpression results */  in yankexpr()
73 	PLAN *node;		/* pointer to returned node or expression */  in yankexpr()
74 	PLAN *tail;		/* pointer to tail of subplan */  in yankexpr()
75 	PLAN *subplan;		/* pointer to head of ( ) expression */  in yankexpr()
121 PLAN *
122 paren_squish(PLAN *plan)  in paren_squish()
124 	PLAN *expr;		/* pointer to next expression */  in paren_squish()
125 	PLAN *tail;		/* pointer to tail of result plan */  in paren_squish()
126 	PLAN *result;		/* pointer to head of result plan */  in paren_squish()
158 PLAN *
159 not_squish(PLAN *plan)  in not_squish()
161 	PLAN *next;		/* next node being processed */  in not_squish()
162 	PLAN *node;		/* temporary node used in f_not processing */  in not_squish()
163 	PLAN *tail;		/* pointer to tail of result plan */  in not_squish()
164 	PLAN *result;		/* pointer to head of result plan */  in not_squish()
221 PLAN *
222 or_squish(PLAN *plan)  in or_squish()
224 	PLAN *next;		/* next node being processed */  in or_squish()
225 	PLAN *tail;		/* pointer to tail of result plan */  in or_squish()
226 	PLAN *result;		/* pointer to head of result plan */  in or_squish()