# define ARGCASEMATCH(Arg, Arglist, Vallist) \
argcasematch ((Arg), (Arglist), (const char *) (Vallist), sizeof (*(Vallist)))
-/* Function called when xargmatch fails. Should not return. By
- default, set to a function calling the macro ARGMATCH_EXIT_FAILURE
- which, by default is `exit (2)'. */
+/* Function called when xargmatch fails. It should not return.
+ By default, this is a function that calls ARGMATCH_DIE which
+ in turn defaults to `exit (EXIT_FAILURE)'. */
typedef void (*argmatch_exit_fn) PARAMS ((void));
extern argmatch_exit_fn argmatch_die;