* for (i = jmap_arg_first(arg,-1); i!=-1; i = jmap_arg_next(arg,i,-1)) {
* char *a = jmap_arg_get(arg, i);
* d = jmap_opt_get(opt, a);
* for (i = jmap_arg_first(arg,-1); i!=-1; i = jmap_arg_next(arg,i,-1)) {
* char *a = jmap_arg_get(arg, i);
* d = jmap_opt_get(opt, a);