Function preadv2
pub unsafe extern "C" fn preadv2(fd: c_int, iov: *const iovec, iovcnt: c_int, offset: off_t, flags: c_int) -> ssize_tpreadv2pub unsafe extern "C" fn preadv2(fd: c_int, iov: *const iovec, iovcnt: c_int, offset: off_t, flags: c_int) -> ssize_t