The file format is used by Fox Pro 2.x and later The size of the header is 512 bytes
           _______________________  _______
00h /   0 | Number of next        |  ^
00h /   1 | available block       |  |
00h /   2 | for appending data    | Header
00h /   3 | (binary)            *1|  |
          |-----------------------|  |
00h /   4 | ( Reserved )          |  |
00h /   5 |                       |  |
          |-----------------------|  |
00h /   6 | Size of blocks N    *1|  |
00h /   7 |                     *2|  |
          |-----------------------|  |
00h /   8 | ( Reserved )          |  |
          |                       |  |
          |                       |  |
          | (i.e. garbage)        |  |
          :                       :  |
          :                       :  |
00h /  511|                       |  |
          |=======================| _v_____
00h /    0|                       |  ^                 Used block
          |                       |  |           __  |=======================|
          |                       |  |          /   0| Record type         *3|
          :                       :  |         /    1|                     *1|
          :                       :  |        /     2|                       |
          |                       |  |       /      3|                       |
00h /    N|                       |  |      /        |-----------------------|
          |=======================| _|_____/        4| Length of memo field  |
00h /    0|                       |  |              5|                     *1|
          :                       :  |              6|                       |
          :                       :  |              7|                       |
          |                       |  |               |-----------------------|
00h /    N|                       | _|_____         8| Memo data             |
          |=======================|  |     \         :                       :
         0|                       |  |      \       N|                       |
          |                       |  |       \_____  |=======================|
          |                       |  |
          :                       :  |
00h /    N|                       | _v_____
          |=======================|
  1. Big-endian. Binary value with high byte first.
  2. Size of blocks in memo file (SET BLOCKSIZE). Default is 512 bytes.
  3. Record type
  4. Value Description
    00h Picture. This normally indicates that file is produced on a MacIntosh, since pictures on the DOS/Windows platform are "objects".
    01h Memo
    02h Object
    A memo field can be longer than the 512 byte block. It simply continues through the next block. The field is logically terminated by two End-of-file marks in the field. The reminder of the block is unused.