getrusage
if (getrusage(RUSAGE_SELF, &ru) < 0)
if (getrusage(RUSAGE_CHILDREN, &ru) < 0)
if (getrusage(RUSAGE_SELF, &rusage) == 0) {
(void) getrusage(RUSAGE_SELF, &ru0);
(void) getrusage(RUSAGE_CHILDREN, &ruch);
(void) getrusage(RUSAGE_SELF, &ru1);
(void) getrusage(RUSAGE_CHILDREN, &ruch);
getrusage(RUSAGE_SELF, &ru); \
getrusage(RUSAGE_SELF, &ru); \
getrusage(RUSAGE_SELF, &ru); \
getrusage(RUSAGE_SELF, &ru); \
extern int getrusage(int, struct rusage *);
return (getrusage(arg1));