Function            clear_typeahead - clear typeahead buffer

  Syntax              int clear_typeahead(void);

  Prototype in        keyboard.h

  Remarks             clears the typeahead buffer and returns the number
                      of keystrokes cleared

  Return value        number of keystrokes emptied from the typeahead
                      buffer

  Example             #include <keyboard.h>
                      #include <stdio.h>

                      main()
                      {
                           printf("# keystrokes emptied = %d",
                                  clear_typeahead());
                      }