addr_chain = (ADDRESS_CHAIN) UNDERLYING_MALLOC( sizeof( ADDRESS_BLOCK ));
addr_chain->next = 0; /* Last block in chain */
addr_chain->sz = 0x0c000000; /* Size */
addr_chain = (ADDRESS_CHAIN) UNDERLYING_MALLOC( sizeof( ADDRESS_BLOCK ));
addr_chain->next = 0; /* Last block in chain */
addr_chain->sz = 0x0c000000; /* Size */