if (getrusage (who, &usage) < 0)
if (__getrusage (who, &usage) < 0)
vtimes_one (struct vtimes *vt, enum __rusage_who who){  if (vt != NULL)    {      struct rusage usage;      if (getrusage (who, &usage) < 0)	return -1;      vt->vm_utime = TIMEVAL_TO_VTIMES (usage.ru_utime);      vt->vm_stime = TIMEVAL_TO_VTIMES (usage.ru_stime);      vt->vm_idsrss = usage.ru_idrss + usage.ru_isrss;      vt->vm_majflt = usage.ru_majflt;      vt->vm_minflt = usage.ru_minflt;      vt->vm_nswap = usage.ru_nswap;      vt->vm_inblk = usage.ru_inblock;      vt->vm_oublk = usage.ru_oublock;    }  return 0;}