endian.c

#include <stdio.h>
int main()
{
	char *str = "HelloWorld";
	int a = *(int *)str;
	if (a == 0x6c6c6548)
		printf("Little endian\n");
	else if (a == 0x48656c6c)
		printf("Big endian\n");
	return 0;
}