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RtlDowncaseUnicodeChar function (wdm.h)

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The RtlDowncaseUnicodeChar routine converts the specified Unicode character to lowercase.

Syntax

NTSYSAPI WCHAR RtlDowncaseUnicodeChar(
  [in] WCHAR SourceCharacter
);

Parameters

[in] SourceCharacter

Specifies the character to convert.

Return value

RtlDowncaseUnicodeChar returns the lowercase value of the Unicode character.

Remarks

Ntoskrnl.lib supports the RtlDowncaseUnicodeChar routine in the WDK for Windows 7 and later versions of Windows. Ntdll.dll exports the RtlDowncaseUnicodeChar entry point in Windows XP and later versions of Windows.

Requirements

Requirement Value
Minimum supported client Available in Windows XP and later versions of Windows.
Target Platform Universal
Header wdm.h (include Wdm.h, Ntddk.h, Ntifs.h)
Library Ntoskrnl.lib; Ntdll.lib
DLL Ntoskrnl.exe; Ntdll.dll
IRQL PASSIVE_LEVEL

See also

RtlDowncaseUnicodeString

RtlUpcaseUnicodeChar