1371 static struct block *fold_edge(child, ep)  in fold_edge()  argument
1372      struct block *child;  in fold_edge()
1387     if (child->s.code != code)
1390     aval0 = child->val[A_ATOM];
1391     oval0 = child->oval;
1404         return sense ? JT(child) : JF(child);
1421         return JF(child);
1719 static inline void link_inedge(parent, child)  in link_inedge()  argument
1721      struct block *child;
1723     parent->next = child->in_edges;
1724     child->in_edges = parent;