a->filter_lpr = arr_realloc(a->filter_lpr, nf + 1, sizeof(flpr));
a->filter_conf = arr_realloc(a->filter_conf, nf + 1, sizeof(void *));
a->filter_nums = arr_realloc(a->filter_nums, nf + 1, sizeof(unsigned));
a->filter_lpr = arr_realloc(a->filter_lpr, nf + 1, sizeof(flpr));
a->filter_conf = arr_realloc(a->filter_conf, nf + 1, sizeof(void *));
a->filter_nums = arr_realloc(a->filter_nums, nf + 1, sizeof(unsigned));