proc_options      540 ruby.c         static int proc_options(int argc, char **argv, struct cmdline_options *opt, int envopt);
proc_options      573 ruby.c             while ((i = proc_options(argc, argv, opt, envopt)) > 1 && (argc -= i) > 0) {
proc_options     1204 ruby.c             int i = proc_options(argc, argv, opt, 0);