 </EM>[function]

<DL COMPACT>
<DT> 
<DD> 
One Unix process is attached with three interval timers, i.e.,
a real-time timer that decrements as the real time passes,
a virtual-timer that decrements as the process executes in the user space,
and a prof-timer that decrements as the kernel executes on behalf of
the user process.
<EM>timer</EM> is either  0 (<TT>ITIMER_REAL</TT>), 1 (<TT>ITIMER_VIRTUAL</TT>),
or 2(<TT>ITIMER_PROF</TT>).
A list of two elements is returned,  the value of the timer in second
and th