-extern const char *config_enum_lookup_by_value(struct config_enum * record, int val);
-extern bool config_enum_lookup_by_name(struct config_enum * record,
- const char *value, int *retval);
+extern const char *config_enum_lookup_by_value(struct config_enum *record, int val);
+extern bool config_enum_lookup_by_name(struct config_enum *record,
+ const char *value, int *retval);
+extern struct config_generic **get_explain_guc_options(int *num);