Lines Matching defs:first
85 if (setvec == 0) { /* first time through any RE */
381 int first(Node *p) /* collects initially active leaves of p into setvec */
395 overflo("out of space in first()");
409 if (first(left(p)) == 0) return(0);
413 first(left(p));
416 if (first(left(p)) == 0 && first(right(p)) == 0) return(0);
419 b = first(right(p));
420 if (first(left(p)) == 0 || b == 0) return(0);
423 FATAL("can't happen: unknown type %d in first", type(p)); /* can't happen */
437 first(v);
448 if (first(right(p)) == 0) {
