[C语言]判断编译器大小端字节序

#include
int main()
{
	int a = 1;
	char* pa = (char*)&a;//强制转化为char*
	if (*pa == 0)
		printf("大端字节序\n");
	else if (*pa == 1)
		printf("小端字节序\n");
	return 0;
}