#[repr(C)]
pub struct GOutputStreamClass {
    pub parent_class: GObjectClass,
    pub write_fn: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut u8, _: size_t, _: *mut GCancellable, _: *mut *mut GError) -> ssize_t>,
    pub splice: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GInputStream, _: GOutputStreamSpliceFlags, _: *mut GCancellable, _: *mut *mut GError) -> ssize_t>,
    pub flush: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GCancellable, _: *mut *mut GError) -> gboolean>,
    pub close_fn: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GCancellable, _: *mut *mut GError) -> gboolean>,
    pub write_async: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut u8, _: size_t, _: c_int, _: *mut GCancellable, _: GAsyncReadyCallback, _: gpointer)>,
    pub write_finish: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GAsyncResult, _: *mut *mut GError) -> ssize_t>,
    pub splice_async: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GInputStream, _: GOutputStreamSpliceFlags, _: c_int, _: *mut GCancellable, _: GAsyncReadyCallback, _: gpointer)>,
    pub splice_finish: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GAsyncResult, _: *mut *mut GError) -> ssize_t>,
    pub flush_async: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: c_int, _: *mut GCancellable, _: GAsyncReadyCallback, _: gpointer)>,
    pub flush_finish: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GAsyncResult, _: *mut *mut GError) -> gboolean>,
    pub close_async: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: c_int, _: *mut GCancellable, _: GAsyncReadyCallback, _: gpointer)>,
    pub close_finish: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GAsyncResult, _: *mut *mut GError) -> gboolean>,
    pub _g_reserved1: Option<unsafe extern "C" fn()>,
    pub _g_reserved2: Option<unsafe extern "C" fn()>,
    pub _g_reserved3: Option<unsafe extern "C" fn()>,
    pub _g_reserved4: Option<unsafe extern "C" fn()>,
    pub _g_reserved5: Option<unsafe extern "C" fn()>,
    pub _g_reserved6: Option<unsafe extern "C" fn()>,
    pub _g_reserved7: Option<unsafe extern "C" fn()>,
    pub _g_reserved8: Option<unsafe extern "C" fn()>,
}
Fields
                           
                           parent_class: GObjectClass
                           
                           
                           write_fn: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut u8, _: size_t, _: *mut GCancellable, _: *mut *mut GError) -> ssize_t>
                           
                           
                           splice: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GInputStream, _: GOutputStreamSpliceFlags, _: *mut GCancellable, _: *mut *mut GError) -> ssize_t>
                           
                           
                           flush: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GCancellable, _: *mut *mut GError) -> gboolean>
                           
                           
                           close_fn: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GCancellable, _: *mut *mut GError) -> gboolean>
                           
                           
                           write_async: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut u8, _: size_t, _: c_int, _: *mut GCancellable, _: GAsyncReadyCallback, _: gpointer)>
                           
                           
                           write_finish: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GAsyncResult, _: *mut *mut GError) -> ssize_t>
                           
                           
                           splice_async: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GInputStream, _: GOutputStreamSpliceFlags, _: c_int, _: *mut GCancellable, _: GAsyncReadyCallback, _: gpointer)>
                           
                           
                           splice_finish: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GAsyncResult, _: *mut *mut GError) -> ssize_t>
                           
                           
                           flush_async: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: c_int, _: *mut GCancellable, _: GAsyncReadyCallback, _: gpointer)>
                           
                           
                           flush_finish: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GAsyncResult, _: *mut *mut GError) -> gboolean>
                           
                           
                           close_async: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: c_int, _: *mut GCancellable, _: GAsyncReadyCallback, _: gpointer)>
                           
                           
                           close_finish: Option<unsafe extern "C" fn(_: *mut GOutputStream, _: *mut GAsyncResult, _: *mut *mut GError) -> gboolean>
                           
                           
                           _g_reserved1: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved2: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved3: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved4: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved5: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved6: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved7: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved8: Option<unsafe extern "C" fn()>