#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define AT_NO_AUTOMOUNT 0x800
#define AT_EMPTY_PATH 0x1000
+#define AT_STATX_SYNC_TYPE 0x6000
+#define AT_STATX_SYNC_AS_STAT 0x0000
+#define AT_STATX_FORCE_SYNC 0x2000
+#define AT_STATX_DONT_SYNC 0x4000
+#define AT_RECURSIVE 0x8000
#define FAPPEND O_APPEND
#define FFSYNC O_SYNC