#include <bits/errno-return.h>
#include <sys/resource.h>
#include <sys/syscall.h>
#include <unistd.h>

extern "C"
{
    int getrusage(int who, struct rusage* ru)
    {
        long rc = syscall(SYS_getrusage, who, ru);
        __errno_return(rc, int);
    }
}