#include <stdio.h>
static const unsigned char v_bcd2bin_data[] = {
	 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 0, 0, 0, 0, 0, 0,
	10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 0, 0, 0, 0, 0, 0,
	20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 0, 0, 0, 0, 0, 0,
	30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 0, 0, 0, 0, 0, 0,
	40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 0, 0, 0, 0, 0, 0,
	50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 0, 0, 0, 0, 0, 0,
	60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 0, 0, 0, 0, 0, 0,
	70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 0, 0, 0, 0, 0, 0,
	80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 0, 0, 0, 0, 0, 0,
	90, 91, 92, 93, 94, 95, 96, 97, 98, 99
};
int
main(void)
{
	int i, n = 0;
	for (i = 0; i <= 0x99; i++) {
		int hi = i >> 4, lo = i & 0xf;
		if (hi <= 9 && lo <= 9 && v_bcd2bin_data[i] != hi * 10 + lo) {
			if (n < 12)
				printf("i=0x%02x table=%d arith=%d\n",
				       i, v_bcd2bin_data[i], hi * 10 + lo);
			n++;
		}
	}
	printf("total mismatches: %d\n", n);
	return (0);
}