RtlPrefixUnicodeString function

Compares two Unicode strings to determine whether one string is a prefix of the other.

Syntax

BOOLEAN RtlPrefixUnicodeString(
  _In_ PCUNICODE_STRING String1,
  _In_ PCUNICODE_STRING String2,
  _In_ BOOLEAN          CaseInSensitive
);

Parameters

String1 [in]

Pointer to the first string, which might be a prefix of the buffered Unicode string at String2.

String2 [in]

Pointer to the second string.

CaseInSensitive [in]

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

Return value

TRUE if String1 is a prefix of String2.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target platform	Universal
Header	Ntddk.h (include Ntddk.h)
Library	Ntdll.lib
DLL	Ntdll.dll

See also

RtlCompareUnicodeString