i2c_device_info_path
len = strlcpy(buf, i2c_device_info_path(arg->idoa_info),
len = strlcpy(buf, i2c_device_info_path(info), buflen);
path = i2c_device_info_path(info);
extern const char *i2c_device_info_path(const i2c_dev_info_t *);
if (strcmp(i2c_device_info_path(info), dd->dd_path) != 0) {
dd->dd_path, i2c_device_info_path(info), dd->dd_path);