std::experimental::filesystem::path::relative_path
Min standard notice:
Returns path relative to root path. If *this is an empty path, returns an empty path.
# Declarations
path relative_path() const;
(filesystem TS)
# Return value
Path relative to the root path.
# Example
#include <experimental/filesystem>
#include <iostream>
namespace fs = std::experimental::filesystem;
int main()
{
fs::path p = fs::current_path();
std::cout << "The current path " << p << " decomposes into:\n"
<< "root-path " << p.root_path() << '\n'
<< "relative path " << p.relative_path() << '\n';
}