bpf_map__initial_value
if (bpf_map__type(map) == BPF_MAP_TYPE_ARENA && bpf_map__initial_value(map, &tmp_sz)) {
mmap_data = bpf_map__initial_value(map, &mmap_size);
LIBBPF_API void *bpf_map__initial_value(const struct bpf_map *map, size_t *psize);
bpf_map__initial_value((__skel)->maps.elfsec##_##arr, &__sz); \
area = bpf_map__initial_value(skel->maps.arena, &arena_sz);
skel->data_custom = bpf_map__initial_value(skel->maps.data_custom, &actual_sz);
skel->bss = bpf_map__initial_value(skel->maps.bss, &actual_sz);
rodata = bpf_map__initial_value(map, &rodata_sz);
bss = bpf_map__initial_value(map, &bss_sz);
data = bpf_map__initial_value(map, &data_sz);
ptr = bpf_map__initial_value(map, &size);
ops_hid_id = bpf_map__initial_value(map, NULL);