tld_get_data
data = tld_get_data(fd, tld_keys[i]);
data = tld_get_data(fd, tld_keys[i]);
value0 = tld_get_data(fd, value0_key);
value1 = tld_get_data(fd, tld_keys[1]);
value2 = tld_get_data(fd, tld_keys[2]);
int_p = tld_get_data(&tld_obj, value0, "value0", sizeof(int));
int_p = tld_get_data(&tld_obj, value1, "value1", sizeof(int));
struct_p = tld_get_data(&tld_obj, value2, "value2", sizeof(struct test_tld_struct));
int_p = tld_get_data(&tld_obj, value_not_exist, "value_not_exist", sizeof(int));