pub unsafe extern "C" fn g_pollable_output_stream_writev_nonblocking(
stream: *mut GPollableOutputStream,
vectors: *const GOutputVector,
n_vectors: size_t,
bytes_written: *mut size_t,
cancellable: *mut GCancellable,
error: *mut *mut GError,
) -> GPollableReturn
Available on crate feature
v2_60
only.