C数组的指针不像预期的那样打印，它用最后的输入代替所有的东西。

I am struggling to fix this problem for 2 days now, but nothing seems to work! I am making a shell in C, and I am trying to implement the history command( which will keep a history of all commands given by the user). This is a simplified version of my code (removed unnecessary code, and functions).I am struggling to fix this problem for 2 days