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Author Topic: error: unknown type name 'ULONG' when sql.h is included in "C" app  (Read 8938 times)

Offline cwolfe

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error: unknown type name 'ULONG' when sql.h is included in "C" app
« on: January 13, 2015, 11:20:11 pm »
I am reading "Inside ODBC" from Microsoft Press to learn how to perform SQL in my "C" application.  I am writing the first "hello world" ODBC program.  I only added the header file sql.h and compiled and I get several unknown type name errors ULONG, USHORT, PVOID, UCHAR, HWND, DWORD, WORD and BYTE.  As a second test I added, sqlext.h and compiled and I get additional errors.  How do I resolve these errors?
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Offline oBFusCATed

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Re: error: unknown type name 'ULONG' when sql.h is included in "C" app
« Reply #1 on: January 14, 2015, 01:37:06 am »
By including the proper header.
Read the docs, search the internet or ask in a win32 api support forum.
This one is not such and you're violating the rules of it!
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Offline cwolfe

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Re: error: unknown type name 'ULONG' when sql.h is included in "C" app
« Reply #2 on: January 14, 2015, 11:04:58 pm »
Solution:  Include windows.h before sql.h
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