Assignment 3 - append functions add the following three functions to the previous assignment void append( mystring& s, const mystring& t ); void append( mystring& s, const char* c ); void append( mystring& s, char c ); void append( mystring& s, int i ); the first argument of append functions can be a fresh initialized mystring instance or one already containing some data. your functions should work correctly in both cases. test your functions thoroughly. NO EXTENSION IN DEADLINE WILL BE GIVEN THIS TIME. SUBMIT WELL BEFORE DEADLINE TO AVOID ANY INCONVENIENCE. http://www.experts-exchange.com/Miscellaneous/Q_20496732.html