    ;   Program: exit
    ;
    ;   Calls the exit function
    ;
    ;   No input
    ;
    ;   Output: only the exit status
    ;           %errorlevel%
    ;           $? in the the Cygwin shell
    ;
        segment .text
        global  main
        extern  exit

    main:
        push    rbp
        mov     rbp, rsp
        sub     rsp, 32 ; shadow parameter space
        mov     ecx,5   ; parameter for exit
        call    exit