RtlPrefixUnicodeString

BOOL *__stdcall RtlPrefixUnicodeString(PCUNICODE_STRING String1, PCUNICODE_STRING String2, BOOL CaseInSensitive){
  BOOL *result; 
  wchar_t *Buffer; 
  BOOL *v5; 
  char *v6; 
  UINT16 v7; 
  UINT16 v8; 
  __int16 v9; 
  char *v10; 

  result = (BOOL *)String1->Length;
  Buffer = String1->Buffer;
  if( String2->Length >= (unsigned __int16)result )
  {
    v5 = &result[(_QWORD)Buffer];
    if( (BOOL *)Buffer >= &result[(_QWORD)Buffer] )
    {
LABEL_7:
      LOBYTE(result) = 1;
      return result;
    }
    if( CaseInSensitive )
    {
      v6 = (char *)((char *)String2->Buffer - (char *)Buffer);
      while( 1 )
      {
        v7 = *(wchar_t *)((char *)Buffer + (_QWORD)v6);
        if( *Buffer != v7 )
        {
          NLS_UPCASE(v7);
          LOWORD(result) = NLS_UPCASE(v8);
          if( (_WORD)result != v9 )
            break;
        }
        if( ++Buffer >= (wchar_t *)v5 )
          goto LABEL_7;
      }
    }
    else
    {
      v10 = (char *)((char *)String2->Buffer - (char *)Buffer);
      while( 1 )
      {
        result = (BOOL *)*(unsigned __int16 *)((char *)Buffer + (_QWORD)v10);
        if( *Buffer != (_WORD)result )
          break;
        if( ++Buffer >= (wchar_t *)v5 )
          goto LABEL_7;
      }
    }
  }
  LOBYTE(result) = 0;
  return result;
}

Referenced by: