DIR_PAGE_ENTRY
static_assert(sizeof(struct DIR_PAGE_ENTRY) == 0x20);
struct DIR_PAGE_ENTRY *dp;
struct DIR_PAGE_ENTRY *next = dp;
sizeof(struct DIR_PAGE_ENTRY)) /
static inline struct DIR_PAGE_ENTRY *find_dp(struct RESTART_TABLE *dptbl,
struct DIR_PAGE_ENTRY *dp = NULL;