#include
#include “err.h”
using namespace std;
/// Create a string representation of the error message associated with the
/// given errno
///
/// @param err The error number to use when producing an error message
///
/// @return A string representing the error message
string msg_from_errno(int err) {
char buf[1024] = {0};
return string(strerror_r(err, buf, sizeof(buf)));
}