nsFontGTKUserDefined::Convert(const PRUnichar* aSrc, PRInt32 aSrcLen, char* aDest, PRInt32 aDestLen)
nsFontGTKSubstitute::Convert(const PRUnichar* aSrc, PRUint32 aSrcLen, PRUnichar* aDest, PRUint32 aDestLen)
nsFontGTKUserDefined::Convert(const PRUnichar* aSrc, PRInt32 aSrcLen,  char* aDest, PRInt32 aDestLen){  if (aSrcLen > aDestLen) {    aSrcLen = aDestLen;  }  gUserDefinedConverter->Convert(aSrc, &aSrcLen, aDest, &aDestLen);  return aSrcLen;}