/* -*-c,save-*- */
/*
 * LUDEF.H - LU common defs
 * Robert Heller. Created: Fri Nov 7, 1986 23:28:30.45
 * Last Mod: 
 * 
 * (c) Copyright 1986 by Robert Heller
 *     All Rights Reserved
 * 
 * 
 */

#define CPM68K		/* CP/M-68K Compilation */

#define CRCCHECK	/* do CRC checking */

#define ACTIVE 0	/* active, non-deleted file, */
#define UNUSED 0xff	/* never used slot, */
#define DELETED 0xfe	/* deleted file slot, */

#define MAXFILES 256	/* max files per LBR file, */
#define SECTSIZE 128	/* sector size */
 
/* This is the structure of the LBR file directory. One per slot. */

typedef struct {
	char lu_stat;			/* file status, */
	char lu_name[11];		/* FCB type filename, */
	unsigned short int lu_off;	/* offset to data, (sectors) */
	unsigned short int lu_len;	/* length (sectors) of data, */
	unsigned short int lu_crc;	/* CRC value */
	char lu_fill[14];		/* fill out to 32 bytes */
} LUDIR;

/* allocation class defs */

#define GLOBAL extern			/* universally global vars */
#define LOCAL  static			/* module-wide global vars */
#define FAST   register			/* fast access vars */
#define VOID				/* typeless functions */

/* other defs needed:  function types (long and pointer results),
   I/O weirdnesses, etc. */

#ifdef CPM68K
#undef CRCCHECK				/* disable CRC check with CP/M-68K */

/* file related functions */
long lseek(), tell();			/* file positioning functions */
#define OPEN_RO	0			/* open for Read-Only */
#define OPEN_WO 1			/* open for Write-Only */
#define OPEN_RW 2			/* open for Read-Write */
/* use openb and creatb for files - skip UNIXish stream lf file hackery */
#define lopen openb			/* library file open */
#define lcreat creatb			/* library file creat */
#define xopen openb			/* other file open */
#define xcreat creatb			/* other file creat */

/* assorted char functions */
char *strchr(), *strrchr();
char *malloc(), *calloc();
char *mktemp();
char *getname();
/* BDOS itself */
long int __BDOS();
#endif