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Power-Programmierung
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1988
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Text File
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1979-12-31
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768b
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27 lines
/* 001 23-Apr-87 tbtree.h
Header file for threaded binary tree functions.
This code is hereby placed into the public domain.
*/
/* define TREE_NODE type */
typedef struct _tree_ent {
char *word; /* word ptr for this node */
int usage; /* usage counter for word */
int flags; /* word flags */
struct _tree_ent *lchild; /* thread or left child ptr */
struct _tree_ent *rchild; /* thread or right child ptr */
} TREE_NODE;
/* define bit values for node flags */
#define RBIT (1) /* right child if set, thread if 0 */
#define LBIT (2) /* left child if set, thread if 0 */