#include <stdlib.h>
#include "chuf.h"
#include "lhazerr.h"
#include "lhazif.h"

マクロ定義
#define	NPT 0x80

#define	NP (MAX_DICBIT + 1)

#define	USHRT_BIT 16 /* (CHAR_BIT * sizeof(ushort)) */

#define	NT (USHRT_BIT + 3)

#define	PBIT 5 /* smallest integer such that (1 << PBIT) > * NP */

#define	TBIT 5 /* smallest integer such that (1 << TBIT) > * NT */

関数
void	init_putbits ()

void	make_table (short, uchar[], short, ushort[], int)

short	make_tree (int, ushort[], uchar[], ushort[])

unsigned char *	alloc_buf (void)

void	free_buf (void)

変数
ushort	bitbuf

ushort	left [2 *NC - 1]

ushort	right [2 *NC - 1]

uchar	c_len [NC]

uchar	pt_len [NPT]

ushort	c_freq [2 *NC - 1]

ushort	c_table [4096]

ushort	c_code [NC]

ushort	p_freq [2 *NP - 1]

ushort	pt_table [256]

ushort	pt_code [NPT]

ushort	t_freq [2 *NT - 1]

マクロ定義詳解

◆ NP

#define NP (MAX_DICBIT + 1)

◆ NPT

#define NPT 0x80

◆ NT

#define NT (USHRT_BIT + 3)

◆ PBIT

#define PBIT 5 /* smallest integer such that (1 << PBIT) > * NP */

◆ TBIT

#define TBIT 5 /* smallest integer such that (1 << TBIT) > * NT */

◆ USHRT_BIT

#define USHRT_BIT 16 /* (CHAR_BIT * sizeof(ushort)) */

関数詳解

◆ alloc_buf()

unsigned char * alloc_buf ( void )

◆ free_buf()

void free_buf ( void )

◆ init_putbits()

void init_putbits ( )

extern

◆ make_table()

void make_table	(	short	nchar,
		uchar	bitlen[],
		short	tablebits,
		ushort	table[],
		int	cnt
	)

extern

◆ make_tree()

short make_tree	(	int	nparm,
		ushort	freqparm[],
		uchar	lenparm[],
		ushort	codeparm[]
	)

extern

変数詳解

◆ bitbuf

ushort bitbuf

extern

◆ c_code

ushort c_code[NC]

◆ c_freq

ushort c_freq[2 *NC - 1]

◆ c_len

uchar c_len[NC]

◆ c_table

ushort c_table[4096]

◆ left

ushort left[2 *NC - 1]

◆ p_freq

ushort p_freq[2 *NP - 1]

◆ pt_code

ushort pt_code[NPT]

◆ pt_len

uchar pt_len[NPT]

◆ pt_table

ushort pt_table[256]

◆ right

ushort right[2 *NC - 1]

◆ t_freq

ushort t_freq[2 *NT - 1]