Searched refs:NILnode (Results 1 – 6 of 6) sorted by relevance
25 return sn ? sn->node : NILnode; in agfindnode_by_id()35 return NILnode; in agfindnode_by_name()42 return sn ? sn->node : NILnode; in agfstnode()50 return sn ? sn->node : NILnode; in agnxtnode()57 return sn ? sn->node : NILnode; in aglstnode()65 return sn ? sn->node : NILnode; in agprvnode()125 if ((n == NILnode) && cflag) { in agidnode()135 n = NILnode; /* allocid for new node failed */ in agidnode()169 return NILnode; in agnode()260 return NILnode; in agsubnode()[all …]
95 rv.from = rv.to = NILnode; in stacktop()183 return NILnode; in agcmpnode()291 && ((n = agsubnode(g, (Agnode_t *) node, FALSE)) == NILnode)) { in insert_outside_subg()371 return NILnode; in agcmpnode_of()384 return NILnode; in agfindhidden()
20 #define NILnode NIL(Agnode_t*) macro
57 #define NILnode NIL(Agnode_t*) macro
122 if ((t == NILnode) || (h == NILnode)) in agfindedge_by_key()
47 #define NILnode NIL(Agnode_t*) macro