回车与换行的区别

符号 ASCII码 意义

\n 10 换行

\r 13 回车CR

windows – 回车 == 先回车后换行

windows下的点一下回车，效果是：回车换行，就是\r\n

#include <iostream>
using namespace std;

int main()
{
	cout << "this is the first line\n";
	cout << "this is the second line\r";
	cout << "this is the third line\n";
	cout << "this is the fouth line\r";
	cout << "this is the fifth line\n";
	cout << "end" ;
	return 0;
}

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Unix

unix系统下的回车一下就是一个\n

Mac

每行结尾是“<回车>”，即"\r"