int main(int argc, char *argv[])
{
    clock_t start, stop;
    double t = 0.0;
    
    //ak sme zadali 1 prikaz, alebo viac ako 2, tak nam nezbehne program, len vypise, ze ako by sme mali zadavat hodnoty
    if(argc != 2)
    {
    	usage();
    }
    else
    {
        
        
        assert((start = clock())!=-1);
        
        //zakomentovany cyklus pre zobrazenie vsetkych argumentov zadanych do programu
    	/*int count = 0;
    	for( count = 0; count < argc; count++ )
        printf( "  argv[%d]   %s\n", count, argv[count] );*/
    	while ((argc > 1) && (argv[1][0] == '-'))
		{
			switch (argv[1][1])
			{
				case 's':
                    //spravi nam SHA1 algoritmus z retazca, co sme zadali v konzole
					makeSha(&argv[1][2]);
                    break;
				case 'c':
                    //spravi nam CRC algoritmus z retazca, co sme zadali v konzole
                    //inicializuje tabulku
					initTable();
                    //vypise nam CRC hash
    				printf("\tCRC hash: %X\n", makeCrc(&argv[1][2], strlen(&argv[1][2])));
                    break;
                case 'm':
                    //spravi nam MD5 algoritmus z retazca, co sme zadali v konzole
                    makeMd5sum(&argv[1][2], strlen(&argv[1][2]));
                    break;
				default:
					printf("Wrong Argument: %s\n", argv[1]);
					usage();
			}
		++argv;
		--argc;
		}
    }

    stop = clock();
    t = (double) (stop-start)/CLOCKS_PER_SEC;
    printf("Run time: %lf\n", t);
    return 0;
}