-/* Affect the execute bits only if at least one execute bit is set already,
- or if the file is a directory. */
-# define MODE_X_IF_ANY_X 01
-
-/* If set, copy some existing permissions for u, g, or o onto the other two.
- Which of u, g, or o is copied is determined by which bits are set in the
- `value' field. */
-# define MODE_COPY_EXISTING 02
-
-struct mode_change
-{
- char op; /* One of "=+-". */
- char flags; /* Special operations. */
- mode_t affected; /* Set for u/g/o/s/s/t, if to be affected. */
- mode_t value; /* Bits to add/remove. */
- struct mode_change *next; /* Link to next change in list. */
-};
-
-/* Masks for mode_compile argument. */
-# define MODE_MASK_EQUALS 1
-# define MODE_MASK_PLUS 2
-# define MODE_MASK_MINUS 4
-# define MODE_MASK_ALL (MODE_MASK_EQUALS | MODE_MASK_PLUS | MODE_MASK_MINUS)
-
-/* Error return values for mode_compile. */
-# define MODE_INVALID (struct mode_change *) 0
-# define MODE_MEMORY_EXHAUSTED (struct mode_change *) 1
-# define MODE_BAD_REFERENCE (struct mode_change *) 2
-
-struct mode_change *mode_compile (const char *, unsigned int);