#include <fcntl.h>
+#include "options.h"
#define T(t) (t*)0;
#define F(t,n) {t *y = &x.n;}
#define C(n) switch(n){case n:;}
C(O_TRUNC)
C(O_TTY_INIT)
C(O_APPEND)
-C(O_DSYNC)
C(O_NONBLOCK)
+#ifdef POSIX_SYNCHRONIZED_IO
+C(O_DSYNC)
C(O_RSYNC)
+#endif
C(O_SYNC)
C(O_ACCMODE)
C(O_EXEC)