RtlULongSub function

Subtracts one value of type ULONG from another.

Syntax


NTSTATUS RtlULongSub(
  _In_  UINT8 ulMinuend,
  _In_  UINT8 ulSubtrahend,
  _Out_ UINT8 *pulResult
);

Parameters

ulMinuend [in]

The value from which ulSubtrahend is subtracted.

ulSubtrahend [in]

The value to subtract from ulMinuend.

pulResult [out]

A pointer to the result. If the operation results in a value that overflows or underflows the capacity of the type, the function returns STATUS_INTEGER_OVERFLOW and this parameter is not valid.

Remarks

This is one of a set of inline functions designed to provide arithmetic operations and perform validity checks with minimal impact on performance.

Requirements

Target platform

Desktop

Header

Ntintsafe.h

 

 

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