-/* Creates OUTPUT as an output case for PROC, by initializing each of
- its values to system-missing or blanks, except that the values
- of IN variables are set to 0. */
-static void
-create_output_case (const struct comb_proc *proc, struct ccase *output)
+/* Creates and returns an output case for PROC, initializing each
+ of its values to system-missing or blanks, except that the
+ values of IN variables are set to 0. */
+static struct ccase *
+create_output_case (const struct comb_proc *proc)