OpenSC API Reference sc_transmit_apdu 3 opensc sc_transmit_apdu Transmit an APDU structure Synopsis #include <opensc.h> int sc_transmit_apdu(struct sc_card *card, sc_apdu_t *apdu); Description This function transmits the APDU in apdu to card. Return value Returns 0 if successful, or a negative value in case of error.