rem: block += sizeof (unsigned char);
context: dump_hexl_mode_trailer (size_t n_bytes, const char *block){  size_t i;  fputs ("  >", stdout);  for (i = n_bytes; i > 0; i--)    {      unsigned int c = *(const unsigned char *) block;      unsigned int c2 = (ISPRINT(c) ? c : '.');      putchar (c2);      block += sizeof (unsigned char);    }  putchar ('<');}