#include <stdio.h>
#include <string.h>

void print_chars(char *s)
{
	int n = strlen(s);
	int i;

	for (i = 0; i < n; i++)
		printf("s[%2d] = %c %3d 0x%02x\n", i, s[i], s[i], s[i]);
}

int main(int argc, char *argv[])
{
	if (argc < 2)
	{
		printf("usage: printchars <string>\n");
		return 1;
	}

	print_chars(argv[1]);

	return 0;
}