avail_back_edges   80 gc/backgraph.c static back_edges *avail_back_edges = 0;
avail_back_edges   90 gc/backgraph.c   if (0 != avail_back_edges) {
avail_back_edges   91 gc/backgraph.c     back_edges * result = avail_back_edges;
avail_back_edges   92 gc/backgraph.c     avail_back_edges = result -> cont;
avail_back_edges  109 gc/backgraph.c    last -> cont = avail_back_edges;
avail_back_edges  110 gc/backgraph.c    avail_back_edges = p;