cc

#define DEFUN(funcname, cmdname, cmdstr, helpstr)\

      int funcname(struct cmd_element *, struct vty*, int, char** );\

       struct cmd_element cmdname = {\

              cmdstr,\

              funcname,\

              helpstr\

        };\

        int funcname\

            (struct cmd_element *self, struct vty *vty, int argc, char **argv)