#include "defs.h" /* cancel the placement for a chip */ unplac(s, c) CHP c; SKT s; { PIN p; if ((c->state & SOFT) == 0) return; if (s == 0) return; s->sktchp = 0; if (c->dx > s->dx || c->dy > s->dy) expand(s, c, 2); p = c->pins; if ((p->x & UNPLAC) == 0) pinfix(c, UNPLAC - s->x, UNPLAC - s->y); c->state = FREE; okroute = 0; }