#include <stdio.h>#include <stdlib.h>#include <inttypes.h>intmain(void){	uint32_t i;	unsigned char *cp;	i = 0x04030201;	cp = (unsigned char *)&i;	if (*cp == 1)		printf("little-endian\n");	else if (*cp == 4)		printf("big-endian\n");	else		printf("who knows?\n");	exit(0);}