etlib.h

its creates virtual multi tasking i DOS

/*******************************************************
 *                                                     *
 *  Program : EasyTask        Language : C++           *
 *                                                     *
 *  Modified : 20 nov 2003                             *
 *                                                     *
 *  Copyright (c) 1988,2003, ORITECH    V 5.1          *
 *  All rights reserved.                               *
 *                                                     *
 *******************************************************
 *                                                     *
 *          EasyTask Function Libraries                *
 *                                                     *
 *******************************************************/

#include "etker.h"
#include "etser.h"
#if !defined(_Windows) || defined(_DPMI)
  #include "etgri.h"
#endif