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getrusage
=========

Syntax
------

     #include <sys/time.h>
     #include <sys/resource.h
     
     int getrusage(int who, struct rusage *rusage);

Description
-----------

This function returns information about the running process.  Currently,
the only field that is computed is this:

     struct rusage {
       struct timeval ru_utime;  /* total time used by process */
     };

The remainder of the fields are set to zero.

The WHO parameter must be `RUSAGE_SELF' or `RUSAGE_CHILDREN'.

Return Value
------------

Zero on success, nonzero on failure.

Example
-------

     struct rusage r;
     getrusage(RUSAGE_SELF, &r);