Function            isAppendavail - is APPEND installed

  Syntax              boolean isAppendavail(void);

  Prototype in        doshk.h

  Remarks             checks if APPEND is installed.

  Return value        returns TRUE if APPEND is installed, FALSE
                      otherwise.

  See also            isAssignavail(), isShareAvail()

  Example             #include <ibm.h>

                      main()
                      {
                           printf("APPEND is ");
                           if (! isAppendavail())
                                printf("not ");
                           printf("installed\n");
                      }