} \
ADD_SCM_INIT_FUNC (cl ## ifaces, cl ## _init_ifaces);
-void add_interface (const char *symbol,
- const char *descr,
- const char *vars);
+void add_interface (char const *symbol,
+ char const *descr,
+ char const *vars);
SCM ly_add_interface (SCM, SCM, SCM);
SCM ly_all_grob_interfaces ();