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/*$Source: /usr/home/dhesi/zoo/RCS/ar.h,v $*/
/*$Id: ar.h,v 1.17 91/07/09 01:39:50 dhesi Exp $*/
/***********************************************************
ar.h
Adapted from "ar" archiver written by Haruhiko Okumura.
***********************************************************/
#include <stdio.h>
#include <sys/types.h>
#ifdef ANSI_HDRS
# include <limits.h>
#endif
/* uchar should be 8 bits or more */
/* typedef unsigned char uchar; -- already in zoo.h */
#ifndef _SYS_TYPES_H
typedef unsigned int uint; /* 16 bits or more */
typedef unsigned short ushort; /* 16 bits or more */
typedef unsigned long ulong; /* 32 bits or more */
#endif
/* T_UINT16 must be #defined in options.h to be
a 16-bit unsigned integer type */
#ifndef T_UINT16
# include "T_UINT16 not defined"
#endif
typedef T_UINT16 t_uint16; /* exactly 16 bits */
#ifndef SEEK_SET
# define SEEK_SET 0
#endif
#ifndef SEEK_CUR
# define SEEK_CUR 1
#endif
#ifndef SEEK_END
# define SEEK_END 2
#endif
#ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif
/* ar.c */
extern int unpackable;
extern ulong origsize, compsize;
/* all the prototypes follow here for all files */
/* standard library functions */
#ifndef ANSI_HDRS
extern void exit();
extern long ftell();
extern int fseek();
extern int strlen();
extern char *strchr();
extern char *strpbrk();
extern int strcmp();
extern char *strcpy();
extern int memcmp();
extern VOIDPTR malloc();
extern VOIDPTR memcpy();
#endif /* ANSI_HDRS */
/* AR.C */
int get_line PARMS((char *s , int n ));
void exitfunc PARMS((int code));
void dlog PARMS((char *fmt, ...));
void d1log PARMS((char *fmt, ...));
void outcf PARMS((FILE *stream, char *buf, int n));
void c1log PARMS((char *buf, int n));
/* DECODE.C */
void decode_start PARMS((void ));
int decode PARMS((uint count , uchar buffer []));
/* ENCODE.C */
void encode PARMS((FILE *, FILE *));
/* HUF.C */
void output PARMS((uint c , uint p ));
void huf_encode_start PARMS((void ));
void huf_encode_end PARMS((void ));
uint decode_c PARMS((void ));
uint decode_p PARMS((void ));
void huf_decode_start PARMS((void ));
/* IO.C */
void make_crctable PARMS((void ));
void fillbuf PARMS((int n ));
uint getbits PARMS((int n ));
void putbits PARMS((int n , uint x ));
int fread_crc PARMS((uchar *p , int n , FILE *f ));
void fwrite_crc PARMS((uchar *p , int n , FILE *f ));
void init_getbits PARMS((void ));
void init_putbits PARMS((void ));
/* MAKETBL.C */
void make_table
PARMS((int nchar, uchar bitlen[], int tablebits, ushort table[]));
/* MAKETREE.C */
int make_tree
PARMS((int nparm, ushort freqparm [], uchar lenparm [], ushort codeparm []));
/* delete */
#ifdef NEED_MEMMOVE
# define MOVE_LEFT move_left
void move_left();
#else
# define MOVE_LEFT memmove
extern VOIDPTR memmove();
#endif
#if 0
/* global crc variable stuff for use by various routines */
extern t_uint16 crc;
#define INIT_CRC 0 /* CCITT: 0xFFFF */
#endif
/* for lzh modules and also for ar.c to use in defining buffer size */
#define DICBIT 13 /* 12(-lh4-) or 13(-lh5-) */
#define DICSIZ ((unsigned) 1 << DICBIT)
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