parse_arg
parse_line(struct parse_arg *pa, struct _region *r)
find_dst(struct parse_arg *pasrc, const char *dst)
struct parse_arg padst;
struct parse_arg pa;
if (parse_arg(args, argi, opt, outargs,
if (parse_arg(args, argi, opt, outargs, data, opts, proc, true) == -1) {
if (parse_arg(args, &i, arg, outargs,