-#define MAP_ANONYMOUS MAP_ANON
-
-#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
-
-#define MCL_CURRENT 1
-#define MCL_FUTURE 2
+#undef MAP_NORESERVE
+#define MAP_NORESERVE 0x0400
+#undef MAP_GROWSDOWN
+#define MAP_GROWSDOWN 0x1000
+#undef MAP_DENYWRITE
+#define MAP_DENYWRITE 0x2000
+#undef MAP_EXECUTABLE
+#define MAP_EXECUTABLE 0x4000
+#undef MAP_LOCKED
+#define MAP_LOCKED 0x8000
+#undef MAP_POPULATE
+#define MAP_POPULATE 0x10000
+#undef MAP_NONBLOCK
+#define MAP_NONBLOCK 0x20000
+#undef MAP_STACK
+#define MAP_STACK 0x40000
+#undef MAP_HUGETLB
+#define MAP_HUGETLB 0x80000
+#undef MAP_SYNC