8 static int opterror(const struct option *opt, const char *reason, int flags)  in opterror()  argument
10 	if (flags & OPT_SHORT)  in opterror()
12 	if (flags & OPT_UNSET)  in opterror()
18 		   int flags, const char **arg)  in get_arg()  argument
23 	} else if ((opt->flags & PARSE_OPT_LASTARG_DEFAULT) && (p->argc == 1 ||  in get_arg()
30 		return opterror(opt, "requires a value", flags);  in get_arg()
35 		     const struct option *opt, int flags)  in get_value()  argument
38 	const int unset = flags & OPT_UNSET;  in get_value()
41 		return opterror(opt, "takes no value", flags);  in get_value()
42 	if (unset && (opt->flags & PARSE_OPT_NONEG))  in get_value()
43 		return opterror(opt, "isn't available", flags);  in get_value()
45 	if (!(flags & OPT_SHORT) && p->opt) {  in get_value()
48 			if (!(opt->flags & PARSE_OPT_NOARG))  in get_value()
56 			return opterror(opt, "takes no value", flags);  in get_value()
97 		else if (opt->flags & PARSE_OPT_OPTARG && !p->opt)  in get_value()
100 			return get_arg(p, opt, flags, (const char **)opt->value);  in get_value()
106 		if (opt->flags & PARSE_OPT_NOARG)  in get_value()
108 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt)  in get_value()
110 		if (get_arg(p, opt, flags, &arg))  in get_value()
119 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
123 		if (get_arg(p, opt, flags, &arg))  in get_value()
127 			return opterror(opt, "expects a numerical value", flags);  in get_value()
135 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
139 		if (get_arg(p, opt, flags, &arg))  in get_value()
143 			return opterror(opt, "expects a numerical value", flags);  in get_value()
151 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
155 		if (get_arg(p, opt, flags, &arg))  in get_value()
159 			return opterror(opt, "expects a numerical value", flags);  in get_value()
167 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
171 		if (get_arg(p, opt, flags, &arg))  in get_value()
175 			return opterror(opt, "expects a numerical value", flags);  in get_value()
209 		int flags = 0;  in parse_long_opt()  local
219 				return opterror(options, "takes no value", flags);  in parse_long_opt()
239 				if (!(flags & OPT_UNSET) && *arg_end)  in parse_long_opt()
242 				abbrev_flags = flags;  in parse_long_opt()
247 				flags |= OPT_UNSET;  in parse_long_opt()
253 			flags |= OPT_UNSET;  in parse_long_opt()
266 		return get_value(p, options, flags);  in parse_long_opt()
303 			 int argc, const char **argv, int flags)  in parse_options_start()  argument
309 	ctx->cpidx = ((flags & PARSE_OPT_KEEP_ARGV0) != 0);  in parse_options_start()
310 	ctx->flags = flags;  in parse_options_start()
311 	if ((flags & PARSE_OPT_KEEP_UNKNOWN) &&  in parse_options_start()
312 	    (flags & PARSE_OPT_STOP_AT_NON_OPTION))  in parse_options_start()
323 	int internal_help = !(ctx->flags & PARSE_OPT_NO_INTERNAL_HELP);  in parse_options_step()
332 			if (ctx->flags & PARSE_OPT_STOP_AT_NON_OPTION)  in parse_options_step()
375 			if (!(ctx->flags & PARSE_OPT_KEEP_DASHDASH)) {  in parse_options_step()
396 		if (!(ctx->flags & PARSE_OPT_KEEP_UNKNOWN))  in parse_options_step()
412 		  const char * const usagestr[], int flags)  in parse_options()  argument
416 	parse_options_start(&ctx, argc, argv, flags);  in parse_options()
466 		if (!full && (opts->flags & PARSE_OPT_HIDDEN))  in usage_with_options_internal()
487 			if (opts->flags & PARSE_OPT_OPTARG)  in usage_with_options_internal()
496 			if (opts->flags & PARSE_OPT_NOARG)  in usage_with_options_internal()
501 				if (opts->flags & PARSE_OPT_OPTARG)  in usage_with_options_internal()
509 				if (opts->flags & PARSE_OPT_OPTARG)  in usage_with_options_internal()