[This is preliminary documentation and subject to change.]
The RTR_INFO_BLOCK_HEADER structure describes a router information block.
typedef struct _RTR_INFO_BLOCK_HEADER {
ULONG Version;
ULONG Size;
ULONG TocEntriesCount;
RTR_TOC_ENTRY TocEntry[1];
} RTR_INFO_BLOCK_HEADER, *PRTR_INFO_BLOCK_HEADER;