Here is a list of all variables with links to the structures/unions they belong to:

als_res : light6_t
i2c : light6_t
i2c_address : light6_cfg_t
i2c_speed : light6_cfg_t
int_pin : light6_cfg_t, light6_t
scl : light6_cfg_t
sda : light6_cfg_t
slave_address : light6_t