ExitToShell
ExitToShell Terminate caller; release heap and launch Finder
#include <SegLoad.h> Segment Loader
void ExitToShell( );
Use ExitToShell to terminate your application; e.g., when the user presses
Q or selects "Quit" from your "File" menu.
Returns: none

Notes: ExitToShell actually calls the low-level Launch function, passing to it
the filename found in the global variable FinderName (a 15- character
maximum p-string starting at 0x02E0).