+#ifndef POSIX_MADV_SEQUENTIAL
+#define posix_madvise madvise
+#define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL
+#define POSIX_MADV_DONTNEED MADV_DONTNEED
+#define POSIX_MADV_RANDOM MADV_RANDOM
+#endif
+
+#define os_ctime_r(x, y, z) ctime_r((x), (y), (z))
+#define FIO_OS_HAS_CTIME_R
+