pub unsafe fn gnrc_netif_ipv6_groups_get(
netif: *const gnrc_netif_t,
groups: *mut ipv6_addr_t,
max_len: size_t,
) -> c_int
pub unsafe fn gnrc_netif_ipv6_groups_get(
netif: *const gnrc_netif_t,
groups: *mut ipv6_addr_t,
max_len: size_t,
) -> c_int