pub unsafe extern "C" fn otThreadGetLinkLocalAllThreadNodesMulticastAddress(
    aInstance: *mut otInstance,
) -> *const otIp6AddressExpand description
Gets the Thread Link-Local All Thread Nodes multicast address.
The address is a link-local Unicast Prefix-Based Multicast Address [RFC 3306], with:
- flgs set to 3 (P = 1 and T = 1)
 - scop set to 2
 - plen set to 64
 - network prefix set to the Mesh Local Prefix
 - group ID set to 1
 
@param[in] aInstance A pointer to an OpenThread instance.
@returns A pointer to Thread Link-Local All Thread Nodes multicast address.