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RtlCompareUnicodeString routine

The RtlCompareUnicodeString routine compares two Unicode strings.

Syntax


LONG RtlCompareUnicodeString(
  _In_  PCUNICODE_STRING String1,
  _In_  PCUNICODE_STRING String2,
  _In_  BOOLEAN CaseInSensitive
);

Parameters

String1 [in]

Pointer to the first string.

String2 [in]

Pointer to the second string.

CaseInSensitive [in]

If TRUE, case should be ignored when doing the comparison.

Return value

RtlCompareUnicodeString returns a signed value that gives the results of the comparison:

Return codeDescription
Zero

String1 equals String2.

< Zero

String1 is less than String2.

> Zero

String1 is greater than String2.

 

Requirements

Version

Available starting with Windows 2000.

Header

Wdm.h (include Wdm.h, Ntddk.h, or Ntifs.h)

Library

Ntoskrnl.lib

IRQL

PASSIVE_LEVEL

See also

RtlCompareString
RtlEqualString

 

 

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