How to rename a directory in g++ and create a new one?

Question

linux

There is an image directory, you need to rename it and create a new image directory.

Answer 1

It's easy to rename

#include <cstdio>

int main()
{
    rename("t1", "t2");
    return 0;
}

is to create a new

#include <sys/stat.h>

int main()
{
    mkdir("t1", 0644);
    return 0;
}