+/* File type specification macros. We need definitions of CBM file types. */
+#include <cbm_filetype.h>
+
+#define _DE_ISREG(t) (((t) & _CBM_T_REG) != 0)
+#define _DE_ISDIR(t) ((t) == _CBM_T_DIR)
+#define _DE_ISLBL(t) ((t) == _CBM_T_HEADER)
+#define _DE_ISLNK(t) ((t) == _CBM_T_LNK)
+