Lab10 mmap(hard) （期末复习操作系统的时候，过于无聊，因为题目都写不来，于是做了这个lab，比做题有意思多了。这个实验是hard，不过我做的很顺利，感觉有一种自己变强的假象hhh） void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset); 这个实验要
网址 https://inst.eecs.berkeley.edu/~cs61a/fa21/lab/lab10/ problem1： problem1-6：
Q2: Over or Under Define a procedure over-or-under which takes in a number num1 and a number num2 and returns the following: -1 if num1 is less than num2 0 if num1 is equal to num2 1 if num1 is greater than num2 Challenge: Implement this in 2 differen
