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Oct 13, 2025
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Update nf-winnt-uint32x32to64.md #2112

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Update nf-winnt-uint32x32to64.md
RatinCN Oct 11, 2025
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Update nf-winnt-uint32x32to64.md
RatinCN Oct 11, 2025
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16 changes: 6 additions & 10 deletions sdk-api-src/content/winnt/nf-winnt-uint32x32to64.md
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Expand Up @@ -50,17 +50,17 @@ api_name:
## -syntax

```cpp
LONGLONG Int32x32To64(
[in] LONG a,
[in] LONG b
ULONGLONG UInt32x32To64(
[in] ULONG a,
[in] ULONG b
);
```

## -returns

Type: **LONGLONG**
Type: **ULONGLONG**

The return value is the signed 64-bit integer result of the multiplication operation.
The return value is the unsigned 64-bit integer result of the multiplication operation.


## -description
Expand All @@ -77,16 +77,12 @@ The first unsigned 32-bit integer for the multiplication operation.

The second unsigned 32-bit integer for the multiplication operation.

## -returns

The value of the product.

## -remarks

This function is implemented on all platforms by optimal inline code: a single multiply instruction that returns a 64-bit result.

Please note that the function's return value is a 64-bit value, not a
<a href="/windows/win32/api/winnt/ns-winnt-large_integer-r1">LARGE_INTEGER</a> structure.
<a href="/windows/win32/api/winnt/ns-winnt-ularge_integer-r1">ULARGE_INTEGER</a> structure.

## -see-also

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