getsubopt1
while ((subopt = getsubopt1(&opt_arg, subopts, &val, &option)) != EOF) {
while ((subopt = getsubopt1(&opt_arg, subopts, &val, &option)) != EOF) {
while ((subopt = getsubopt1(&opt_arg, subopts, &val, &option)) != EOF) {
while ((subopt = getsubopt1(&opt_arg, subopts, &val, &option)) != EOF) {
while ((subopt = getsubopt1(&opt_arg, subopts, &val, &option)) != EOF) {