#define MAP_ANON 0x20
#define MAP_ANONYMOUS MAP_ANON
#define MAP_32BIT 0x40
+#define MAP_NORESERVE 0x40
#define POSIX_MADV_NORMAL 0
#define POSIX_MADV_RANDOM 1
#define MCL_CURRENT 1
#define MCL_FUTURE 2
-#ifdef _GNU_SOURCE
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0
#define MADV_RANDOM 1
#define MADV_SEQUENTIAL 2