RtlpLangNameInMultiSzString

UINT8 __stdcall RtlpLangNameInMultiSzString(WCHAR *LanguageList, WCHAR *LanguageName){
  UINT8 v2; 
  WCHAR *v4; 
  __int64 v6; 
  v2 = 0;
  v4 = LanguageList;
  if( LanguageList && LanguageName )
  {
    while( *v4 )
    {
      if( !wcsicmp(v4, LanguageName) )
        return 1;
      v6 = -1i64;
      do
        ++v6;
      while( v4[v6] );
      v4 += v6 + 1;
      if( !v4 )
        return v2;
    }
  }
  return v2;
}

Referenced by:

RtlpIsALicensedLIPLanguage
RtlpIsALicensedRegularLanguage
RtlpMuiRegAddBaseLanguage
RtlpMuiRegValidateAndGetInstallFallbackBase