struct FileSaveStatus
{
    string filename;
    bool   up_to_date;
};

Represents the save status of the course load file opened by the API for a given session.

string filename;

The filename of the currently open course load file. This may be empty is there is no course load file open.

bool up_to_date;

Whether or not the currently open course load has changed since it was last saved to the file referred to by filename.