您能知道它的编译时间，通过简单地改变你的宏：

You can know it compile time, by simply changing your macro to:

#define STORE_STRING(X) store_string("" X, sizeof(X))

用法：

char a[] = "abcd", *p;
STORE_STRING(a); // error
STORE_STRING(p); // error
STORE_STRING("abcd"); // ok