/**
* scard_set_pin - Set PIN (CHV1/PIN1) code for accessing SIM/USIM commands
* @scard: Pointer to private data from scard_init()
- * pin: PIN code as an ASCII string (e.g., "1234")
+ * @pin: PIN code as an ASCII string (e.g., "1234")
* Returns: 0 on success, -1 on failure
*/
int scard_set_pin(struct scard_data *scard, const char *pin)