Function pwritev64v2
pub unsafe extern "C" fn pwritev64v2(fd: c_int, iov: *const iovec, iovcnt: c_int, offset: off64_t, flags: c_int) -> ssize_tpwritev64v2pub unsafe extern "C" fn pwritev64v2(fd: c_int, iov: *const iovec, iovcnt: c_int, offset: off64_t, flags: c_int) -> ssize_t