return (0);
return 0;
isvectordef (const char *type, relation rel){  definition *def;  for (;;)    {      switch (rel)	{	case REL_VECTOR:	  return !streq (type, "string");	case REL_ARRAY:	  return 0;	case REL_POINTER:	  return (0);	case REL_ALIAS:	  def = findval (defined, type, typedefed);	  if (def == NULL)	    {	      return 0;	    }	  type = def->def.ty.old_type;	  rel = def->def.ty.rel;	}    }}