bpf_map__set_initial_value
LIBBPF_API int bpf_map__set_initial_value(struct bpf_map *map,
err = bpf_map__set_initial_value(map, newval, sz - 1);
err = bpf_map__set_initial_value(map, newval, sz);
err = bpf_map__set_initial_value(map, newval, sz);