// 检测栈增长方向,打印结果.
void check_stack_direction(void){ unsigned char first; unsigned char second; if (&second > &first) { printf("stack upwards\n"); } else { printf("stack downwards\n"); }}
void check_stack_direction(void)
{
unsigned char first;
unsigned char second;
if (&second > &first)
printf("stack upwards\n");
}
else
printf("stack downwards\n");