add: if(verbose >= 2) { fprintf(stderr, "par_cmd(): [ "); for(i = 0; i < 4; i++) fprintf(stderr, "%02X ", cmd[i]); fprintf(stderr, "] [ "); for(i = 0; i < 4; i++) { fprintf(stderr, "%02X ", res[i]); } fprintf(stderr, "]\n"); }
context: static int par_cmd(PROGRAMMER * pgm, unsigned char cmd[4],                    unsigned char res[4]){  int i;  for (i=0; i<4; i++) {    res[i] = par_txrx(pgm, cmd[i]);  }#if 0  fprintf(stderr, "avr_cmd(): [ ");  for (i=0; i<4; i++)    fprintf(stderr, "%02x ", cmd[i]);  fprintf(stderr, "] [ ");  for (i=0; i<4; i++)    fprintf(stderr, "%02x ", res[i]);  fprintf(stderr, "]\n");#endif  return 0;}