[This is preliminary documentation and subject to change.]
The IP_NEXT_HOP_ADDRESS structure contains the address for the next-hop router for an IP route.
typedef struct _IP_NETWORK {
DWORD N_NetNumber;
DWORD N_NetMask;
} IP_NETWORK, *PIP_NETWORK;
typedef IP_NETWORK IP_NEXT_HOP_ADDRESS, *PIP_NEXT_HOP_ADDRESS;
The IP_NEXT_HOP_ADDRESS structure is a typedef of the IP_NETWORK structure. The typedef is in rtm.h.