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ULongLongSub function

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Subtracts one value of type ULONGLONG from another.

Syntax

HRESULT ULongLongSub(
  _In_  ULONGLONG ullMinuend,
  _In_  ULONGLONG ullSubtrahend,
  _Out_ ULONGLONG *pullResult
);

Parameters

  • ullMinuend [in]
    Type: ULONGLONG

    The value from which ullSubtrahend is subtracted.

  • ullSubtrahend [in]
    Type: ULONGLONG

    The value to subtract from ullMinuend.

  • pullResult [out]
    Type: ULONGLONG*

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

Return value

Type: HRESULT

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

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

Header

 Intsafe.h