Function            isEMSavail - is EMS available

  Syntax              boolean isEMSavail(void);

  Prototype in        ibm.h

  Remarks             checks if EMS is installed.

  Return value        returns TRUE if EMS is present, otherwise FALSE.

  See also            ibm.h
                      EMSGetStatus(), EMSinfo(), EMSpages(),
                      EMMversion(), EMSwarmbootprep()

  Example             #include <ibm.h>

                      main()
                      {
                           printf("EMS is ");
                           if (! isEMSavail())
                                printf("not ");
                           printf("available\n");
                      }