Function            isVidclock - is VIDCLOCK.COM by Tom Hanlin
                                     installed

  Syntax              boolean isVidclock(void);

  Prototype in        doshk.h

  Remarks             checks if VIDCLOCK.COM by Tom Hanlin is installed.

  Return value        returns TRUE if VIDCLOCK.COM is installed, FALSE
                      otherwise.

  Example             #include <doshk.h>

                      main()
                      {
                           printf("VidClock is ");
                           if (! isVidclock())
                                printf("not ");
                           printf("installed\n");
                      }