Here are the data structures with brief descriptions:

Cnfc7i2c_cfg_t	NFC 7 I2C Click configuration object
Cnfc7i2c_pkt_ctrl_t	NFC 7 I2C Click control packet object
Cnfc7i2c_pkt_data_t	NFC 7 I2C Click data packet object
Cnfc7i2c_rf_intf_info_app_t	NFC 7 I2C Click poll passive type A object
Cnfc7i2c_rf_intf_info_bpp_t	NFC 7 I2C Click poll passive type B object
Cnfc7i2c_rf_intf_info_fpp_t	NFC 7 I2C Click poll passive type F object
Cnfc7i2c_rf_intf_info_t	NFC 7 I2C Click discovered remote device properties information object
Cnfc7i2c_rf_intf_info_vpp_t	NFC 7 I2C Click poll passive type V/ISO15693 object
Cnfc7i2c_rf_intf_t	NFC 7 I2C Click discovered remote device properties object
Cnfc7i2c_t	NFC 7 I2C Click context object