gcc/gcc/c-decl.c

336     tree tags;
359     /* Nonzero if this level "doesn't exist" for tags.  */
362     /* Nonzero if sublevels of this level "don't exist" for tags.
996 	  || (current_binding_level->tags != 0
1022    not for that of tags.  */
1108   tree tags = current_binding_level->tags;
1120   for (link = tags; link; link = TREE_CHAIN (link))
1179   /* If there were any declarations or structure tags in that level,
1193       BLOCK_TYPE_TAGS (block) = tags;
1313     for (link = tags; link; link = TREE_CHAIN (link))
1316     for (link = tags; link; link = TREE_CHAIN (link))
1482     b->tags = perm_tree_cons (name, type, b->tags);
1484     b->tags = saveable_tree_cons (name, type, b->tags);
2880 /* Return the list of type-tags (for structs, etc) of the current level.  */
2885   return current_binding_level->tags;
2899 /* Similarly, store the list of tags of the current level.  */
2902 storetags (tags)
2903      tree tags;
2905   current_binding_level->tags = tags;
2914    meaningful for tags).
2931       for (tail = level->tags; tail; tail = TREE_CHAIN (tail))
2979       for (tail = level->tags; tail; tail = TREE_CHAIN (tail))
5443    and enum tags declared among the parms.
5480 	 they must include undefined tags.
5481 	 These tags can never be defined in the scope of the declaration,
5551    The TREE_VALUE is a list of structure, union and enum tags defined.
5565   tree tags = gettags ();
5644     return saveable_tree_cons (new_parms, tags,
5647   return saveable_tree_cons (new_parms, tags, nreverse (types));
5650 /* At end of parameter list, warn about any struct, union or enum tags
5659   for (elt = current_binding_level->tags; elt; elt = TREE_CHAIN (elt))