__pselect50
return __pselect50(nfds, readfds, writefds, exceptfds, timp, sigmask);
__typeof(__pselect50) _sys___pselect50;
int __pselect50(int, fd_set * __restrict, fd_set * __restrict,
__weak_alias(__pselect50,rump___sysimpl_pselect50);
const sigset_t * __restrict) __RENAME(__pselect50);