- rrd_file_t *rrd_file __attribute__((unused)),
- int rra_idx __attribute__((unused)),
- unsigned long rra_row __attribute__((unused)),
- time_t rra_time __attribute__((unused)))
+ rrd_file_t UNUSED(*rrd_file),
+ int UNUSED(rra_idx),
+ unsigned long UNUSED(rra_row),
+ time_t UNUSED(rra_time))