Hola, no funciona este menu, al compilar me sales estos errores.
: error C2065: 'clrscr' : undeclared identifier
: error C2065: 'Sleep' : undeclared identifier
: error C2065: 'MessageBox' : undeclared identifier
: error C2065: 'MB_OK' : undeclared identifier
: error C2065: 'MB_SYSTEMMODAL' : undeclared identifier
int_menu.obj - 5 error(s), 0 warning(s)