12 static int opterror(const struct option *opt, const char *reason, int flags)  in opterror()  argument
14 	if (flags & OPT_SHORT)  in opterror()
16 	if (flags & OPT_UNSET)  in opterror()
22 		   int flags, const char **arg)  in get_arg()  argument
27 	} else if ((opt->flags & PARSE_OPT_LASTARG_DEFAULT) && (p->argc == 1 ||  in get_arg()
34 		return opterror(opt, "requires a value", flags);  in get_arg()
39 		     const struct option *opt, int flags)  in get_value()  argument
42 	const int unset = flags & OPT_UNSET;  in get_value()
46 		return opterror(opt, "takes no value", flags);  in get_value()
47 	if (unset && (opt->flags & PARSE_OPT_NONEG))  in get_value()
48 		return opterror(opt, "isn't available", flags);  in get_value()
49 	if (opt->flags & PARSE_OPT_DISABLED)  in get_value()
50 		return opterror(opt, "is not usable", flags);  in get_value()
52 	if (opt->flags & PARSE_OPT_EXCLUSIVE) {  in get_value()
56 			if (((flags & OPT_SHORT) && p->excl_opt->short_name) ||  in get_value()
64 			opterror(opt, msg, flags);  in get_value()
69 	if (!(flags & OPT_SHORT) && p->opt) {  in get_value()
72 			if (!(opt->flags & PARSE_OPT_NOARG))  in get_value()
80 			return opterror(opt, "takes no value", flags);  in get_value()
124 		else if (opt->flags & PARSE_OPT_OPTARG && !p->opt)  in get_value()
127 			err = get_arg(p, opt, flags, (const char **)opt->value);  in get_value()
130 		if (opt->flags & PARSE_OPT_NOEMPTY) {  in get_value()
148 		if (opt->flags & PARSE_OPT_NOARG)  in get_value()
150 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt)  in get_value()
152 		if (get_arg(p, opt, flags, &arg))  in get_value()
161 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
165 		if (get_arg(p, opt, flags, &arg))  in get_value()
169 			return opterror(opt, "expects a numerical value", flags);  in get_value()
177 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
181 		if (get_arg(p, opt, flags, &arg))  in get_value()
185 			return opterror(opt, "expects a numerical value", flags);  in get_value()
193 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
197 		if (get_arg(p, opt, flags, &arg))  in get_value()
201 			return opterror(opt, "expects a numerical value", flags);  in get_value()
209 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
213 		if (get_arg(p, opt, flags, &arg))  in get_value()
217 			return opterror(opt, "expects a numerical value", flags);  in get_value()
251 		int flags = 0;  in parse_long_opt()  local
261 				return opterror(options, "takes no value", flags);  in parse_long_opt()
277 					flags |= OPT_UNSET;  in parse_long_opt()
282 					flags |= OPT_UNSET;  in parse_long_opt()
299 				if (!(flags & OPT_UNSET) && *arg_end)  in parse_long_opt()
302 				abbrev_flags = flags;  in parse_long_opt()
307 				flags |= OPT_UNSET;  in parse_long_opt()
313 			flags |= OPT_UNSET;  in parse_long_opt()
327 		return get_value(p, options, flags);  in parse_long_opt()
364 			 int argc, const char **argv, int flags)  in parse_options_start()  argument
370 	ctx->cpidx = ((flags & PARSE_OPT_KEEP_ARGV0) != 0);  in parse_options_start()
371 	ctx->flags = flags;  in parse_options_start()
372 	if ((flags & PARSE_OPT_KEEP_UNKNOWN) &&  in parse_options_start()
373 	    (flags & PARSE_OPT_STOP_AT_NON_OPTION))  in parse_options_start()
385 	int internal_help = !(ctx->flags & PARSE_OPT_NO_INTERNAL_HELP);  in parse_options_step()
395 			if (ctx->flags & PARSE_OPT_STOP_AT_NON_OPTION)  in parse_options_step()
444 			if (!(ctx->flags & PARSE_OPT_KEEP_DASHDASH)) {  in parse_options_step()
473 		if (!(ctx->flags & PARSE_OPT_KEEP_UNKNOWN))  in parse_options_step()
500 			const char *const subcommands[], const char *usagestr[], int flags)  in parse_options_subcommand()  argument
522 	parse_options_start(&ctx, argc, argv, flags);  in parse_options_subcommand()
558 		  const char * const usagestr[], int flags)  in parse_options()  argument
561 					(const char **) usagestr, flags);  in parse_options()
578 	if (!full && (opts->flags & PARSE_OPT_HIDDEN))  in print_option_help()
580 	if (opts->flags & PARSE_OPT_DISABLED)  in print_option_help()
601 		if (opts->flags & PARSE_OPT_OPTARG)  in print_option_help()
610 		if (opts->flags & PARSE_OPT_NOARG)  in print_option_help()
615 			if (opts->flags & PARSE_OPT_OPTARG)  in print_option_help()
623 			if (opts->flags & PARSE_OPT_OPTARG)  in print_option_help()
863 			opts->flags |= flag;  in set_option_flag()