-#define PROT_GROWSDOWN 0x01000000
-#define PROT_GROWSUP 0x02000000
-
-#define MAP_SHARED 0x01
-#define MAP_PRIVATE 0x02
-#define MAP_FIXED 0x10
-
-#define MAP_TYPE 0x0f
-#define MAP_FILE 0x00
-#define MAP_ANON 0x20
-#define MAP_ANONYMOUS MAP_ANON
-#define MAP_NORESERVE 0x40
-#define MAP_GROWSDOWN 0x0100
-#define MAP_DENYWRITE 0x0800
-#define MAP_EXECUTABLE 0x1000
-#define MAP_LOCKED 0x80
-#define MAP_POPULATE 0x8000
-#define MAP_NONBLOCK 0x10000
-#define MAP_STACK 0x20000
-#define MAP_HUGETLB 0x40000
-
-#define POSIX_MADV_NORMAL 0
-#define POSIX_MADV_RANDOM 1
-#define POSIX_MADV_SEQUENTIAL 2
-#define POSIX_MADV_WILLNEED 3
-#define POSIX_MADV_DONTNEED 0
-
-#define MS_ASYNC 1
-#define MS_INVALIDATE 2
-#define MS_SYNC 4