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

int main(int argc, char *argv[])
{
    size_t linelen;
    size_t i;

    if (argc != 2) return 1;
    linelen = strlen(argv[1]);
    uint8_t buf[linelen];
    if (read(0, buf, linelen) != linelen) return 1;
    printf("uint8_t foo[%zu] = {", linelen+1);
    for (i = 0; i < linelen; i++) printf("%u, ", buf[i]);
    printf("0};\n");
    printf("uint8_t bar[%zu] = {", linelen);
    for (i = 0; i < linelen; i++) printf("%u, ", buf[i] ^ argv[1][i]);
    printf(
    "};\nsize_t nr;\nuint8_t volatile *p = foo;\n"
    "for (nr = 0; nr < sizeof(foo)-1; nr++) "
    "p[nr] ^= bar[nr];\n");
    return 0;
}