On 26 May 2004 at 8:11, Daniel Rail wrote:

>> I think problem is about last three int field at the bottom.
>> there is no information about the Dan's C++ compiler and word size
>> of CPU running mode.
>> i think the last three int fields are may be 2 bytes integers, but
>> FB's INTEGER are 4 bytes.
>
>External tables are not binary files, but fixed length ASCII files.

They used to be an ASCII files, but believe me: nothing prevents
you from create binary external table.
For an original problem, I'd like suggest a test: insert into two
files the same data from database and from your C program and compare
results. At least alignment and size problems can be discovered this
way.

SY, Dimitry Sibiryakov.