Function pwritev64
pub unsafe extern "C" fn pwritev64(fd: c_int, iov: *const iovec, iovcnt: c_int, offset: off64_t) -> ssize_tpwritev64pub unsafe extern "C" fn pwritev64(fd: c_int, iov: *const iovec, iovcnt: c_int, offset: off64_t) -> ssize_t