Function            putk - put a character w/attribute on the screen

  Syntax              void putk(byte c);

  Prototype in        video.h

  Remarks             putk puts character c on the screen at the cursor
                      via INTerrupts. The cursor does NOT advance. The
                      attribute is set with the global variable
                      char_attribute.

  Return value        nothing.

  See also            putsay(), putstr(), set_color()

  Example             #include <video.h>

                      main()
                      {
                           gotohv(12,40);
                           putk('*');
                      }