#include <algorithm>
#include <iostream>

int main()
{
	const char *foo = "a\r\nb\n";
	std::string s = foo;

	std::cout << "Count: " << std::count(s.begin(), s.end(), '\n') << std::endl;
	std::cout << s;
	
	return 0;

}

Count: 2
a
b