printf("|%10s|\n", "abc");
	printf("|%-10s|\n", "abc");
	printf("|%010s|\n", "abc");
	printf("|%010.2s|\n", "abc");
	printf("|%-10.2s|\n", "abc");
	printf("|%0s|\n", "abc");
	printf("|%0d|\n", 1234);
	printf("|%10d|\n", 1234);
	printf("|%-10d|\n", 1234);
	printf("|%010d|\n", 1234);
	printf("|%10.2d|\n", 1234);
	printf("|%010.2d|\n", 1234);
	printf("|%-10.2d|\n", 1234);
	printf("|%.2d|\n", 1234);
	printf("| %d|\n", 1234);
	printf("| %d|\n", -1234);
	printf("|%-10 d|\n", 1234);
	printf("|%-10 d|\n", -1234);
	printf("|%10.5d|\n", 1234);
	printf("|%010.5d|\n", 1234);
	printf("|%-10.5d|\n", 1234);
	printf("|%.5d|\n", 1234);
	printf("0x%08x\n", 1234);
	printf("%#08x\n", 1234);
	printf("%*s\n", 10, "abc");
	printf("%*s\n", -10, "abc");