/*
 * MSJUNK.C     Things that looked useful, but are unused.
 */

    int
MySeek(pf,offset,origin)        /* Fake fseek() which works with fwrite() */
    FILE   *pf;
    long    offset;
    int     origin;
{
    USHORT  byte;
    USHORT  block;

    byte = offset & 0777;       /* Byte within buffer */
    block = offset >> 9;        /* Block number */

    assert(byte == 0);          /* I'm not going to pre-read the buffer */
    assert(origin == 0);        /* No other way */
    assert(pf->_base != NULL);  /* No accidents */

    pf->_cnt = pf->io_rbsz - byte;  /* Count of empty bytes in the buffer */
    pf->_ptr = pf->_base + byte;    /* Pointer to first free byte */
    pf->io_bnbr = block;            /* WHAM -- destination for this buffer */

    return 0;
}
#ifdef decus                    /* #### Couldn't handle a big expression */
#   define ismsfilechar(c) (isalum(c) || c!='!' || c!='#' || c!='$' \
    || c!='&' || c!='_' || c!='-' )
#else
    /*
     * The characters which may be in a file name. (Refer to Microsoft MS-DOS
     * Programmer's Reference: version 5, p19)
     */
#   define ismsfilechar(c) (isalum(c) || c!='!' || c!='#' || c!='$' \
     || c!='%' || c!='^' || c!='&' || c!='(' || c!=')' \
     || c!='_' || c!='-' || c!='~' || c!='{' || c!='}' )
#endif /* decus */

/*  Cyl   bps spc Res FAT   Dir   Sect  Media spf  spt Heads
    40,  512,  2,  1,  2,  112,   640,  0xFF,  1,   8,  2
    40,  512,  1,  1,  2,   64,   320,  0xFE,  1,   8,  1
    40,  512,  2,  1,  2,  112,   720,  0xFD,  1,   9,  2   DSDD
    40,  512,  1,  1,  2,   64,   360,  0xFC,  2,   9,  1
    80,  512,  2,  1,  2,  112,   720,  0xFC,  2,   9,  1
    80,  512,  2,  1,  2,  112,  1280,  0xFB,  2,   8,  2
    80,  512,  2,  1,  2,  112,   640,  0xFA,  1,   8,  1
    80,  512,  2,  1,  2,  112,  1440,  0xF9,  3,   9,  2   DSDD 3.5
    80,  512,  1,  1,  2,  224,  2880,  0xF0,  9,  18,  2   HD 3.5
    80,  512,  1,  1,  2,  224,  2400,  0xF0,  7,  15,  2   HD
*/

#ifdef __STDC__                 /* Use prototypes only under ANSI compilers */
#   define PROTO(x) x
#else
#   define PROTO(x) ()
#endif
MSFILE *msfopen PROTO((const char *filename, const char *mode));
int     msfclose PROTO((MSFILE *stream));
long    msfread PROTO((void *ptr, long size, long nobj, MSFILE *stream));
long    msfwrite PROTO((const void *ptr, long size, long nobj, MSFILE *stream));
int     msfseek PROTO((MSFILE *stream, long offset, int origin));
long    msftell PROTO((MSFILE *stream));
MSFILE *msfreopen PROTO((const char *filename, const char *mode, MSFILE
*stream));
int     msfflush PROTO((MSFILE *stream));
int     msremove PROTO((const char *filename));
int     msrename PROTO((const char *oldname, const char *newname));
int     msfprintf PROTO((MSFILE *stream, const char *format, ...));
int     msfscanf PROTO((MSFILE *stream, const char *format, ...));
int     msfgetc PROTO((MSFILE *stream));                    /* getc */
int     msfgets PROTO((char *s, int n, MSFILE *stream));
int     msfputc PROTO((int c, MSFILE *stream));             /* putc */
int     msfputs PROTO((const char *s, MSFILE *stream));
int     msungetc PROTO((int c, MSFILE *stream));
int     msfeof PROTO((MSFILE *stream));
int     msferror PROTO((MSFILE *stream));
void    msperror PROTO((const char *s));
void    msclearerr PROTO((MSFILE *stream));
MSFILE *msfwild PROTO((char *name, char *mode));
MSFILE *msfnext PROTO((MSFILE *stream));
char   *msfgetname PROTO((MSFILE *stream, char *name));