54 struct dlist {  struct
59 	struct dlist *up;	/* Up one step in the tree (toward "/") */  argument
60 	struct dlist *down;	/* Down one step in the tree */  argument
66 static struct dlist top = {  argument
71 static struct dlist *cur, *rec;
73 static int rm(const char *, struct dlist *);
76 static int checkdir(struct dlist *, struct dlist *);
208 closeframe(struct dlist *frm)  in closeframe()
232 pushdir(struct dlist *frm)  in pushdir()
241 opendirat(int dirfd, const char *entry, struct dlist *frm)  in opendirat()
314 rm(const char *entry, struct dlist *caller)  in rm()
316 	struct dlist frame;  in rm()
588 checkdir(struct dlist *caller, struct dlist *frmp)  in checkdir()
591 	struct dlist *ptr;  in checkdir()