NAME
    CmpTime -- Compare two timeval structures.

SYNOPSIS
    result = CmpTime( Dest, Source )
    D0                A0    A1

    LONG CmpTime( struct timeval *, struct timeval *);

FUNCTION
    This routine compares timeval structures

    A0 and A1 will be left unchanged

INPUTS
    Dest, Source -- pointers to timeval structures.

RESULTS
    result will be   0 if Dest has same time as source
                    -1 if Dest has more time than source
                    +1 if Dest has less time than source

NOTES
    This function may be called from interrupts.

SEE ALSO
    timer.device/addtime(),
    timer.device/subtime()

BUGS
    Older version of this document had the sense of the return
    codes wrong; the code hasn't changed but the document has.