FPT文件是FoxPro存儲備注信息的文件。

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_____

|=======================|

Big-endian. Binary value with high byte first.

Size of blocks in memo file (SET BLOCKSIZE). Default is 512 bytes.

Record type

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.

總結

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