string getRootName(string);
bool isBlank(string);
int openOutputFile(string, ofstream&);
+ int openOutputFileBinary(string, ofstream&);
int openOutputFileAppend(string, ofstream&);
+ int openOutputFileBinaryAppend(string, ofstream&);
int openInputFile(string, ifstream&);
int openInputFile(string, ifstream&, string); //no error given
string getline(ifstream&);
string makeList(vector<string>&);
bool isSubset(vector<string>, vector<string>); //bigSet, subset
int checkName(string&);
+ map<string, vector<string> > parseClasses(string);
//math operation
int factorial(int num);