-new_method(int scope, Type *mtype, char *otype, GList *gtktypes, char *id, GList *args, char *onerror, GString *cbuf, int line_no,int ccode_line)
+new_method(int scope, Type *mtype, char *otype, GList *gtktypes, char *id, GList *args, char *onerror, GString *cbuf, int line_no,int ccode_line, int vararg)