OPTIONAL
SYNOPSIS
	int *rusage(void)

DESCRIPTION
	Return an array with current system resource usage statistics,
	as returned by the getrusage(2) of Unix.
	namely: utime, stime, maxrss, rus.ru_ixrss, rus.ru_idrss,
		rus.ru_isrss, rus.ru_minflt, rus.ru_majflt, rus.ru_nswap,
		rus.ru_inblock, rus.ru_oublock, rus.ru_msgsnd,
		rus.ru_msgrcv, rus.ru_nsignals, rus.ru_nvcsw,
		rus.ru_nivcsw

	This function is optional.

SEE ALSO
	sys/resource.h(Unix)
