# APGTVERIFY -- Print a message in the status line asking the user if they # really want to quit, returning YES if they really want to quit, NO otherwise. int procedure apgtverify (ch) int ch # character keystroke command begin if (ch == 'q') { return (YES) } else if (ch == 'w') { return (YES) } else if (ch == 'n') { return (NO) } else { return (NO) } end