Function rebpf_sys::libbpf_sys::bpf_create_map_in_map

pub unsafe extern "C" fn bpf_create_map_in_map(
    map_type: bpf_map_type, 
    name: *const c_char, 
    key_size: c_int, 
    inner_map_fd: c_int, 
    max_entries: c_int, 
    map_flags: __u32
) -> c_int