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Annotation of coherent/d/bin/dos/dos1.h, revision 1.1

1.1     ! root        1: /* dos1.h */
        !             2: /* Common header for "dos" and "dosshrink" commands. */
        !             3: 
        !             4: #include <stdio.h>
        !             5: #include "bpb.h"
        !             6: #include "mdir.h"
        !             7: 
        !             8: /* Manifest constants. */
        !             9: #define        BBSIZE          512             /* Boot block size              */
        !            10: #define        CLBAD           0xFFF7          /* FAT bad cluster              */
        !            11: #define        CLEOF           0xFFFF          /* FAT end of file marker       */
        !            12: #define        CLFREE          0x0000          /* FAT free cluster             */
        !            13: #define        CLMAX           0xFFEF          /* Maximum FAT normal cluster   */
        !            14: /*
        !            15:  * The FAT cache must hold a complete 1.5-byte FAT expanded to 2 bytes/entry,
        !            16:  * so it must contain at least 4096 * 2 = 8192 bytes or 16 sectors.
        !            17:  */
        !            18: #define        FATCSECS        (16)            /* Sectors in FAT cache         */
        !            19: #define        FATCNPSEC       (BBSIZE/sizeof(short))  /* 2-byte FAT clusters per sector */
        !            20: #define        FATCCOUNT       (FATCSECS*FATCNPSEC)    /* 2-byte FAT cache entries */
        !            21: #define        FATMASK         0x0FFF          /* Mask for 1.5-byte FAT entry  */
        !            22: #define        INFILE          "/dev/dos"      /* Default input file name      */
        !            23: #define        isdir(mdp)      ((mdp)->m_attr&MSUBDIR) /* MS-DOS directory test */
        !            24: #define        ishidden(mdp)   ((mdp)->m_attr&MHIDDEN) /* MS-DOS directory test */
        !            25: #define        is_media_id(n)  (((n)&0xF0)==0xF0) /* Media descriptor test     */
        !            26: 
        !            27: #if    DEBUG
        !            28: #define        dbprintf(arglist) printf arglist
        !            29: #else
        !            30: #define        dbprintf(arglist)
        !            31: #endif
        !            32: 
        !            33: /* Externals. */
        !            34: extern void    exit();
        !            35: extern long    lseek();
        !            36: extern char    *malloc();
        !            37: 
        !            38: /* Globals in dos1.c. */
        !            39: /* Diskette parameters. */
        !            40: extern BPB             d8floppy;
        !            41: extern BPB             d9floppy;
        !            42: extern BPB             d15floppy;
        !            43: extern BPB             d18floppy;
        !            44: extern BPB             q9floppy;
        !            45: extern BPB             s8floppy;
        !            46: extern BPB             s9floppy;
        !            47: 
        !            48: /* Other globals. */
        !            49: extern char            *argv0;
        !            50: extern unsigned char   bootb[BBSIZE];
        !            51: extern BPB             *bpb;
        !            52: extern short           cflag;
        !            53: extern unsigned char   *clbuf;
        !            54: extern unsigned short  clsize;
        !            55: extern unsigned short  dirbase;
        !            56: extern unsigned short  dirsize;
        !            57: extern unsigned short  fatbase;
        !            58: extern unsigned short  fatbytes;
        !            59: extern unsigned short  *fatcache;
        !            60: extern unsigned short  fatccount;
        !            61: extern unsigned short  fatcfirst;
        !            62: extern short           fatcflag;
        !            63: extern unsigned short  fatcmax;
        !            64: extern unsigned short  fatcmin;
        !            65: extern unsigned short  fatsize;
        !            66: extern unsigned short  filebase;
        !            67: extern short           fsfd;
        !            68: extern unsigned short  heads;
        !            69: extern unsigned short  maxcluster;
        !            70: extern unsigned short  mdirsize;
        !            71: extern unsigned short  nspt;
        !            72: extern unsigned short  sectors;
        !            73: extern unsigned short  ssize;
        !            74: extern char            *usagemsg;
        !            75: extern short           vflag;
        !            76: 
        !            77: /* Functions in dos1.c. */
        !            78: extern unsigned long   cltosec();
        !            79: extern void            decodefat();
        !            80: extern void            diskread();
        !            81: extern void            diskseek();
        !            82: extern void            diskwrite();
        !            83: extern void            fatal();
        !            84: extern void            fatcflush();
        !            85: extern void            fatcread();
        !            86: extern unsigned short  getcluster();
        !            87: extern char            *lcname();
        !            88: extern void            putcluster();
        !            89: extern void            readfat();
        !            90: extern void            setglobals();
        !            91: extern void            usage();
        !            92: extern void            writefat();
        !            93: extern void            xpartition();
        !            94: 
        !            95: /* end of dos1.h */
        !            96: 

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