SpiEnumerateHandlers Return Value - rc

rc (ULONG) - returns

Return codes indicating success or the type of failure:

NO_ERROR

Success.
ERROR_INVALID_FUNCTION
Invalid function requested.
ERROR_INVALID_BLOCK
Invalid pointer.
ERROR_INVALID_BUFFER_SIZE
Buffer passed is too small to hold all handler names or classes. The number returned in pulNumHand is the number of handlers that exist.
ERROR_READING_INI
An error occurred reading the SPI.INI file.

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