#ifndef LUT_H
#define LUT_H


/*-----------------------------------------------------------  		
 *									
 * Source File : lut.h							
 *									
 *-----------------------------------------------------------		
 */									
									
typedef unsigned char bool;						
									
#ifndef ERROR								
#define ERROR 	-1							
#endif									
									
#ifndef TRUE								
#define TRUE	(bool) 1						
#define FALSE	(bool) 0						
#endif									
									
#define	ABBR_SIZE_BIG		4	/* num char in abbr name */	
#define VER_SIZE		3	/* num char in version name */	
#define	ABBR_SIZE_SMALL		2	/* num char in abbr name */	
#define ARR_SIZE		ABBR_SIZE_BIG				
									
#ifdef MAXTABLES							
#define LUT_NUM_ELEMENTS	MAXTABLES				
#else									
#define LUT_NUM_ELEMENTS	256	/* max num elements in lut */	
#endif									
									
#define MAX_VER_ELEMENTS	100	/* max allowed elements in version lut */ 
#define MAX_VER_NUMBER          999	/* Highest version number allowed... */	      
										      
typedef struct btree_node_st btree_node_st;				
									
/*****************************************************************/	
/* the following structure is used as a binary tree node element */	
/*****************************************************************/	
struct btree_node_st							
 {									
	char 		name[ARR_SIZE+1];				
	unsigned char 	num; 						
	int		weight;						
	btree_node_st	*p_right;       /* ptr to right child */	
	btree_node_st	*p_left;        /* ptr to left child */		
	btree_node_st	*p_parent;      /* ptr to parent */		
 }; 									
									
									
 /***********************************/					
 /* the following structure is used */					
 /* as a look up table structure    */					
 /***********************************/					
									
typedef char C_TABLE[ARR_SIZE + 1];					
									
									
typedef enum								
{									
	ABBR_TBL_TYPE = 777,	/* abbreviation table type */		
	VER_TBL_TYPE		/* version number type */		
} lut_type;								
									
									
									
typedef struct								
{									
	int		num_elements;	/* num elements currently in lut. */	
	lut_type	type;							
	btree_node_st	*p_btree_root;	/* ptr to root of btree */		
        C_TABLE		names[LUT_NUM_ELEMENTS];	/* look up table */	
}lut_st;									
										

#endif