247 		const char *rest;  in parse_long_opt()  local
253 		rest = skip_prefix(arg, options->long_name);  in parse_long_opt()
255 			if (!rest)  in parse_long_opt()
257 			if (*rest == '=')  in parse_long_opt()
259 			if (*rest)  in parse_long_opt()
264 		if (!rest) {  in parse_long_opt()
272 				rest = skip_prefix(arg, options->long_name + 3);  in parse_long_opt()
273 				if (rest) {  in parse_long_opt()
311 			rest = skip_prefix(arg + 3, options->long_name);  in parse_long_opt()
313 			if (!rest && !prefixcmp(options->long_name, arg + 3))  in parse_long_opt()
315 			if (!rest)  in parse_long_opt()
319 		if (*rest) {  in parse_long_opt()
320 			if (*rest != '=')  in parse_long_opt()
322 			p->opt = rest + 1;  in parse_long_opt()