struct aftype *ap;  ap = get_aftype(afname);
struct aftype *ap;
route_edit(int action, const char *afname, int options, char **argv){  struct aftype *ap;    ap = get_aftype(afname);  if (!ap) {	fprintf(stderr,_("Address family `%s' not supported.\n"),afname);	return(E_OPTERR);  }  if (!ap->rinput) {	fprintf(stderr,_("No routing for address family `%s'.\n"),ap->name);	return(E_OPTERR);  }  return(ap->rinput(action, options, argv));}