SCM_API void scm_error_num_args_subr (const char* subr) SCM_NORETURN;
SCM_API void scm_wrong_type_arg (const char *subr, int pos,
SCM bad_value) SCM_NORETURN;
+SCM_INTERNAL void scm_i_wrong_type_arg_symbol (SCM symbol, int pos,
+ SCM bad_value) SCM_NORETURN;
SCM_API void scm_wrong_type_arg_msg (const char *subr, int pos,
SCM bad_value, const char *sz) SCM_NORETURN;
SCM_API void scm_memory_error (const char *subr) SCM_NORETURN;