1
0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-05 09:14:03 +00:00
freebsd/usr.sbin/named/tree.h

49 lines
974 B
C

/* tree.h - declare structures used by tree library
*
* vix 22jan93 [revisited; uses RCS, ANSI, POSIX; has bug fixes]
* vix 27jun86 [broken out of tree.c]
*
* $Id: tree.h,v 1.1 1994/04/09 04:05:46 vixie Exp $
*/
#ifndef _TREE_H_INCLUDED
#define _TREE_H_INCLUDED
#ifndef __P
# if defined(__STDC__) || defined(__GNUC__)
# define __P(x) x
# else
# define __P(x) ()
# endif
#endif
/*
* tree_t is our package-specific anonymous pointer.
*/
#if defined(__STDC__) || defined(__GNUC__)
typedef void *tree_t;
#else
typedef char *tree_t;
#endif
typedef struct tree_s {
tree_t data;
struct tree_s *left, *right;
short bal;
}
tree;
void tree_init __P((tree **));
tree_t tree_srch __P((tree **, int (*)(), tree_t));
tree_t tree_add __P((tree **, int (*)(), tree_t, void (*)()));
int tree_delete __P((tree **, int (*)(), tree_t, void (*)()));
int tree_trav __P((tree **, int (*)()));
void tree_mung __P((tree **, void (*)()));
#endif /* _TREE_H_INCLUDED */