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)