gtlm-nfc GTlmNfcError gtlm_nfc_write_username_password GTLM_NFC GTLM_NFC_CLASS GTLM_NFC_GET_CLASS GTlmNfc GTlmNfcClass G_IS_TLM_NFC G_IS_TLM_NFC_CLASS G_TYPE_TLM_NFC gtlm_nfc_get_type