int posix_fadvise(int, off_t, off_t, int);
int posix_fallocate(int, off_t, off_t);
-#define O_ACCMODE 03
+#define O_SEARCH 010000000
+#define O_EXEC 010000000
+#define O_PATH 010000000
+
+#define O_ACCMODE (03|O_SEARCH)
#define O_RDONLY 00
#define O_WRONLY 01
#define O_RDWR 02