66 typedef struct DirNode DirNode;  typedef
67 struct DirNode {  struct
68   DirNode *next;       /* The next directory in the list */  argument
69   DirNode *prev;       /* The node that precedes this node in the list */  argument
75   DirNode *head;       /* The head of the list of used and unused cache nodes */
76   DirNode *next;       /* The next unused node between head and tail */
77   DirNode *tail;       /* The tail of the list of unused cache nodes */
121 static DirNode *ef_open_dir(ExpandFile *ef, const char *pathname);
122 static DirNode *ef_close_dir(ExpandFile *ef, DirNode *node);
205   ef->cache.mem = _new_FreeList(sizeof(DirNode), DIR_CACHE_BLK);  in new_ExpandFile()
244     DirNode *dnode;  in del_ExpandFile()
350   DirNode *dnode;       /* A directory-reader cache node */  in ef_expand_file()
565 	  DirNode *subdnode = ef_open_dir(ef, ef->path->name);  in ef_match_relative_pathname()
685 static DirNode *ef_open_dir(ExpandFile *ef, const char *pathname)  in ef_open_dir()
688   DirNode *node;        /* The cache node used */  in ef_open_dir()
697     node = (DirNode *) _new_FreeListNode(cache->mem);  in ef_open_dir()
716       node = (DirNode *) _del_FreeListNode(cache->mem, node);  in ef_open_dir()
771 static DirNode *ef_close_dir(ExpandFile *ef, DirNode *node)  in ef_close_dir()