host-order.c

嵌入式linux下

/*Little Application to test processor's endian mode*/
#include <stdio.h>
int main()
{
	unsigned int a[1];
	a[0] = 0x3344;
	unsigned char *b = a;
	unsigned char *c = (b+0x00000001);
	printf("a:0x%x,b:0x%x,c:0x%x,a[0]:0x%x,*b:0x%0x,*c:0x%x\n",a,b,c,a[0],*b,*c);
	if(*b == 0x33)
  	printf("the host(processor) byte order is big-endian!\n");
	if(*b == 0x44)
  	printf("the host(processor) byte order is little-endian!\n");
	printf("unsigned int:%d\n",sizeof(unsigned int));
	return 0;
}