-/* Complain that the value set for the %define variable VARIABLE is
- invalid. */
-void muscle_percent_define_invalid_value (char const *variable);
-
-/* Grow the muscle for the %code qualifier QUALIFIER appearing at QUALIFIER_LOC
- in the grammar file with code CODE appearing at CODE_LOC. Record this as a
- grammar occurrence of VARIABLE by invoking muscle_user_name_list_grow. */
+/* Mimic b4_percent_define_check_values in ../data/bison.m4 exactly except that
+ the VALUES structure is more appropriate for C. That is, VALUES points to a
+ list of strings that is partitioned into sublists by NULL's, one terminating
+ each sublist. The last sublist is followed by a second NULL. For each
+ sublist, the first string is the name of a %define variable, and all
+ remaining strings in that sublist are the valid values for that variable.
+ Complain if such a variable is undefined (a Bison error since the default
+ value should have been set already) or defined to any other value (possibly
+ a user error). Don't record this as a Bison usage of the variable as
+ there's no reason to suspect that the value has yet influenced the
+ output. */
+void muscle_percent_define_check_values (char const * const *values);
+
+/* Grow the muscle for the %code qualifier QUALIFIER appearing at
+ QUALIFIER_LOC with code CODE appearing at CODE_LOC. Record this as a
+ user occurrence of QUALIFIER by invoking
+ muscle_user_name_list_grow. */