问题是描述代码的作用,功能的作用.
以下代码是过去第二年C和C++模块考试试卷的一部分.任务是描述以下代码的作用.我完全按照提交的方式编写了代码,并自己添加了一些注释.
int g(int * y, unsigned size, int z) {
int tmp = y[0];
// what type is unsigned size? Int I presume. Why would you add an int to an array of ints?
int * b = y + size;
y[0] = z;
// I have the most difficulty understanding the following.
while (1) if (*(--b)==z){y[0] = tmp; return b - y;};
// are the following 3 lines ever even reached?
y[0] = tmp;
if (tmp == z) …