options->opt_ants = 1;				break;			case 'o':				if (option [1] != '\0')					options->arg_optimum = option + 1;				else if (++i < argc)					options->arg_optimum = argv [i];				else					goto error_missing_arg_short;				option = "\0";				options->opt_optimum = 1;				break;			case 'q':				if (option [1] != '\0')					options->arg_q0 = option + 1;				else if (++i < argc)					options->arg_q0 = argv [i];				else					goto error_missing_arg_short;				option = "\0";				options->opt_q0 = 1;				break;			case 'r':				if (option [1] != '\0')					options->arg_tries = option + 1;				else if (++i < argc)					options->arg_tries = argv [i];				else					goto error_missing_arg_short;				option = "\0";				options->opt_tries = 1;				break;			case 's':				if (option [1] != '\0')					options->arg_tours = option + 1;				else if (++i < argc)					options->arg_tours = argv [i];				else					goto error_missing_arg_short;				option = "\0";				options->opt_tours = 1;				break;			case 't':				if (option [1] != '\0')					options->arg_time = option + 1;				else if (++i < argc)					options->arg_time = argv [i];				else					goto error_missing_arg_short;				option = "\0";				options->opt_time = 1;				break;			case 'u':				options->opt_as = 1;				break;			case 'v':				options->opt_eas = 1;				break;			case 'w':				options->opt_ras = 1;				break;			case 'x':				options->opt_mmas = 1;				break;			case 'y':				options->opt_bwas = 1;				break;			case 'z':				options->opt_acs = 1;				break;			default:				fprintf (stderr, STR_ERR_UNKNOWN_SHORT_OPT, program_name, *option);				return -1;error_missing_arg_short:				fprintf (stderr, STR_ERR_MISSING_ARG_SHORT, program_name, *option);				return -1;        }      } while (*++option != '\0');  }  return i;}void check_out_of_range ( double value, double MIN, double MAX, char *optionName ) /*    FUNCTION: check whether parameter values are within allowed rangeINPUT:    noneOUTPUT:   noneCOMMENTS: none*/{	if ((value<MIN)||(value>MAX)){		fprintf(stderr,"Error: Option `%s' out of range\n",optionName);		exit(1);	}}int parse_commandline (int argc, char *argv []){    int i;    const char *progname;    struct options options;	    progname = argv [0] != NULL && *(argv [0]) != '\0'		? argv [0]		: "acotsp";	    i = parse_options (&options, progname, argc, argv);	    if (i < 2)    {		fprintf (stderr, "No options are specified\n");		fprintf (stderr, "Try `%s --help' for more information.\n",			progname);		exit(1);    }	    if (options.opt_help)    {		printf ("Usage: %s [OPTION]... [ARGUMENT]...\n\n"			"Options:\n" STR_HELP, progname);		exit(0);    }	    puts ("\t OPTIONS:");			    if ( options.opt_time ) {		max_time = atof(options.arg_time);		fputs ("  -t  --time ", stdout);		if (options.arg_time != NULL)			printf ("with argument \"%.3f\"\n", max_time);		check_out_of_range( max_time, 0.0, 86400., "max_time (seconds)");    } else {		fprintf(stderr,"\tNote: time limit is set to default 10 seconds\n");    }			    if ( options.opt_tries ) {		max_tries = atol(options.arg_tries);		fputs ("  -r  --tries ", stdout);		if (options.arg_tries != NULL)			printf ("with argument \"%ld\"\n", max_tries);		check_out_of_range( max_tries, 1, MAXIMUM_NO_TRIES, "max_tries (tries)");    } else {		max_tries = 10;		fprintf(stderr,"\tNote: number or trials is set to default 10\n");    }			    if ( options.opt_tours ) {		max_tours = atol(options.arg_tours);		fputs ("  -s  --tours ", stdout);		if (options.arg_tries != NULL)			printf ("with argument \"%ld\"\n", max_tours);		check_out_of_range( max_tours, 1, LONG_MAX, "max_tries (tries)");    } else {		max_tours = 100;		fprintf(stderr,"\tNote: maximum number tours is set to default 100\n");    }			    if ( options.opt_optimum )    {		optimal = atol(options.arg_optimum);		fputs ("  -o  --optimum ", stdout);		if (options.arg_optimum != NULL)			printf ("with argument \"%ld\"\n", optimal);    } else {		optimal = 1;		fprintf(stderr,"\tNote: optimal solution value is set to default 1\n");    }			    if ( options.opt_tsplibfile )    {		strncpy( name_buf, options.arg_tsplibfile, strlen( options.arg_tsplibfile ) );		fputs ("  -i  --tsplibfile ", stdout);		if (options.arg_tsplibfile != NULL)			printf ("with argument \"%s\"\n", name_buf );    }			    if ( options.opt_ants ) {		n_ants = atol(options.arg_ants);		fputs ("  -m  --ants ", stdout);		if (options.arg_ants != NULL)			printf ("with argument \"%ld\"\n", n_ants);		check_out_of_range( n_ants, 1, MAX_ANTS-1, "n_ants");    } else {		n_ants = 25;		fprintf(stderr,"\tNote: number or ants is set to default 25\n");    }			    if ( options.opt_nnants ) {		nn_ants = atol(options.arg_nnants);		fputs ("  -m  --ants ", stdout);		if (options.arg_ants != NULL)			printf ("with argument \"%ld\"\n", nn_ants);		check_out_of_range( n_ants, 1, 100, "nn_ants");    } else {		nn_ants = 20;		fprintf(stderr,"\tNote: number of nearest neighbours in tour construction is set to default 25\n");    }			    if ( options.opt_alpha ) {		alpha = atof(options.arg_alpha);		fputs ("  -a  --alpha ", stdout);		if (options.arg_alpha != NULL)			printf ("with argument \"%f\"\n", alpha);		check_out_of_range( alpha, 0., 100., "alpha");    } else {		alpha = 1.0;		fprintf(stderr,"\tNote: alpha is set to default 1.0\n");    }			    if ( options.opt_beta ) {		beta = atof(options.arg_beta);		fputs ("  -b  --beta ", stdout);		if (options.arg_beta != NULL)			printf ("with argument \"%f\"\n", beta);		check_out_of_range( beta, 0., 100., "beta");    } else {		beta = 2.0;		fprintf(stderr,"\tNote: beta is set to default 2.0\n");    }			    if ( options.opt_rho ) {		rho = atof(options.arg_rho);		fputs ("  -e  --rho ", stdout);		if (options.arg_rho != NULL)			printf ("with argument \"%f\"\n", rho);		check_out_of_range( rho, 0., 1., "rho");    } else {		rho = 0.5;		fprintf(stderr,"\tNote: rho is set to default 0.5\n");    }			    if ( options.opt_q0 ) {		q_0 = atof(options.arg_q0);		fputs ("  -q  --q0 ", stdout);		if (options.arg_q0 != NULL)			printf ("with argument \"%f\"\n", q_0);		check_out_of_range( q_0, 0., 1., "q0");    } else {		q_0 = 0.0;		fprintf(stderr,"\tNote: q_0 is set to default 0\n");    }			    if ( options.opt_elitistants ) {		elitist_ants = atol(options.arg_elitistants);		fputs ("  -m  --ants ", stdout);		if (options.arg_elitistants != NULL)			printf ("with argument \"%ld\"\n", elitist_ants);		check_out_of_range( n_ants, 0, LONG_MAX, "elitistants");    } else {		elitist_ants = 100;		fprintf(stderr,"\tNote: number of elitist ants is set to default 100\n");    }			    if ( options.opt_rasranks ) {		ras_ranks = atol(options.arg_rasranks);		fputs ("  -m  --ants ", stdout);		if (options.arg_rasranks != NULL)			printf ("with argument \"%ld\"\n", ras_ranks);		check_out_of_range( n_ants, 0, LONG_MAX, "rasranks");    } else {		ras_ranks = 6;		fprintf(stderr,"\tNote: number of ranks is set to default 6\n");    }			    if ( options.opt_nnls ) {		nn_ls = atol(options.arg_nnls);		fputs ("  -k  --nnls ", stdout);		if (options.arg_nnls != NULL)			printf ("with argument \"%ld\"\n", nn_ls);		check_out_of_range( n_ants, 0, LONG_MAX, "nnls");    } else {		nn_ls = 20; 		fprintf(stderr,"\tNote: number nearest neighbours in local search is set to default 20\n");    }			    if ( options.opt_localsearch ) {		ls_flag = atol(options.arg_localsearch);		fputs ("  -l  --localsearch ", stdout);		if (options.arg_localsearch != NULL)			printf ("with argument \"%ld\"\n", ls_flag);		check_out_of_range( n_ants, 0, LONG_MAX, "ls_flag");    } else {		ls_flag = 3;		fprintf(stderr,"\tNote: local search flag is set to default 3 (3-opt)\n");    }			    if ( options.opt_dlb ) {		dlb_flag = atol(options.arg_dlb);		fputs ("  -d  --dlb ", stdout);		if (options.arg_dlb != NULL)			printf ("with argument \"%ld\"\n", dlb_flag);		check_out_of_range( dlb_flag, 0, 1, "dlb_flag");    } else {		dlb_flag = TRUE;		fprintf(stderr,"\tNote: dlb flag is set to default 1 (use don't look bits)\n");    }			    if ( options.opt_as ) {		as_flag = TRUE;		eas_flag = FALSE; ras_flag = FALSE; mmas_flag = FALSE; 		bwas_flag = FALSE; acs_flag = FALSE;		fprintf(stderr,"as_flag is set to 1, run Ant System\n");		/*      } else { */		/*  	fprintf(stderr,"\tNote: as_flag is set to default 0 (don't run Ant System)\n"); */    }			    if ( options.opt_eas ) {		eas_flag = TRUE;		as_flag = FALSE; ras_flag = FALSE; mmas_flag = FALSE; 		bwas_flag = FALSE; acs_flag = FALSE;		fprintf(stderr,"eas_flag is set to 1, run Elitist Ant System\n");		/*      } else { */		/*  	fprintf(stderr,"\tNote: eas_flag is set to default 0 (don't run Elitist Ant System)\n"); */    }			    if ( options.opt_ras ) {		ras_flag = TRUE;		as_flag = FALSE; eas_flag = FALSE; mmas_flag = FALSE; 		bwas_flag = FALSE; acs_flag = FALSE;		fprintf(stderr,"ras_flag is set to 1, run rank-based Ant System\n");		/*      } else { */		/*  	fprintf(stderr,"\tNote: ras_flag is set to default 0 (don't run rank-based Ant System)\n"); */    }			    if ( options.opt_mmas ) {		mmas_flag = TRUE;		as_flag = FALSE; eas_flag = FALSE; ras_flag = FALSE; 		bwas_flag = FALSE; acs_flag = FALSE;		fprintf(stderr,"mmas_flag is set to 1, run MAX-MIN Ant System\n");		/*      } else { */		/*  	fprintf(stderr,"\tNote: mmas_flag is set to default 1 (run MAX-MIN Ant System!)\n"); */    }			    if ( options.opt_bwas ) {		bwas_flag = TRUE;		as_flag = FALSE; eas_flag = FALSE; mmas_flag = FALSE; 		ras_flag = FALSE; acs_flag = FALSE;		fprintf(stderr,"bwas_flag is set to 1, run Best-Worst Ant System\n");		/*      } else { */		/*  	fprintf(stderr,"\tNote: bwas_flag is set to default 0 (don't run Best-Worst Ant System)\n"); */    }			    if ( options.opt_acs ) {		acs_flag = TRUE;		as_flag = FALSE; eas_flag = FALSE; mmas_flag = FALSE; 		ras_flag = FALSE; bwas_flag = FALSE;		fprintf(stderr,"acs_flag is set to 1, run Ant Colony System\n");		/*      } else { */		/*  	fprintf(stderr,"\tNote: acs_flag is set to default 0 (don't run Ant Colony System)\n"); */    }		    puts ("Non-option arguments:");	    while (i < argc) {		fprintf (stderr,"  \"%s\"\n", argv [i++]);		fprintf (stderr,"\nThere were non-option arguments\n");		fprintf (stderr,"I suspect there is something wrong, maybe wrong option name; exit\n");		exit(1);    }	    return 0;}