mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
49 lines
978 B
C
49 lines
978 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 1.1.1.2 1995/08/18 21:16:28 peter 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 */
|