Heap Error: Invalid Address specified to RtlValidateheap

I have an OCCI program that connect to the Oracle database using Oracle\oraclient\9.2.0 and executes a query. I'm able to connect return a result set and actually display contents from the first row.
However, as soon as I attempt to access the second row I get a heap error - - invalid address specified to RtlValidateHeap.
I've seen other post where changing the type of run-time library under the Code Generation options of the compiler made a difference. Here, I've tried them all: /MTd, /MLd, /MDd but to no avail.
I'm using Visual C++ 6.0 and linking in occi library oraocci9.lib.
The line of code that's getting the error is the following:
while ( resultSet->next () )
no problem in getting the first row. Its the second next that dies.
Any help would be appreciated.

When I build the App with a RELEASE build instead of a DEBUG build this problem goes away.
Apparently there is a bug in the oraocci9.lib regarding allocating on the Heap for DEBUG builds.
While reading the other post on this forum I've discovered that I need the 9.2.04 version of the oraocci9.lib and oraocci9.dll that have been linked with MSVCRTD.dll, which is required to use in Debug mode for MSVC.
It's unfortunate that this bug is not documented in the OCCI Programmer's manual that is available online. I could have saved myself a lot of time.
Where can I find the most up-to-date patches for Oracle 9i?
Any help would be appreciated. Thanks.
Are these files available as standalone downloads on the Oracle web site? I haven't seen them. I don't want to download the entire database if I can avoid it. I just need the upgraded version of oraocci9.lib.

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