uint64_t zprop_random_value(int, uint64_t, zfs_type_t);
const char *zprop_values(int, zfs_type_t);
size_t zprop_width(int, boolean_t *, zfs_type_t);
-boolean_t zprop_valid_for_type(int, zfs_type_t);
+boolean_t zprop_valid_for_type(int, zfs_type_t, boolean_t);
#ifdef __cplusplus
}