__nolibc_syscall6
return (void *)(unsigned long)__nolibc_syscall6(n, addr, length, prot, flags, fd, offset);
return __nolibc_syscall6(__NR_pselect6_time64, nfds, rfds, wfds, efds,
return __nolibc_syscall6(__NR_pselect6, nfds, rfds, wfds, efds,