rem: printf("%s%02X", invert ? "! " : "", macaddress[0]);
add: printf("%02X", macaddress[0]);
context: static void print_mac(unsigned char macaddress[ETH_ALEN], int invert){	unsigned int i;	printf("%s%02X", invert ? "! " : "", macaddress[0]);	for (i = 1; i < ETH_ALEN; i++)		printf(":%02X", macaddress[i]);	printf(" ");}