from nx_api.h:3494
UINT _nx_ip_create(NX_IP *ip_ptr,
CHAR *name,
ULONG ip_address,
ULONG network_mask,
NX_PACKET_POOL *default_pool,
VOID (*ip_link_driver)(NX_IP_DRIVER *),
VOID *memory_ptr,
ULONG memory_size,
UINT priority);