#[repr(C)]
pub struct GSeekableIface {
    pub g_iface: GTypeInterface,
    pub tell: Option<unsafe extern "C" fn(_: *mut GSeekable) -> i64>,
    pub can_seek: Option<unsafe extern "C" fn(_: *mut GSeekable) -> gboolean>,
    pub seek: Option<unsafe extern "C" fn(_: *mut GSeekable, _: i64, _: GSeekType, _: *mut GCancellable, _: *mut *mut GError) -> gboolean>,
    pub can_truncate: Option<unsafe extern "C" fn(_: *mut GSeekable) -> gboolean>,
    pub truncate_fn: Option<unsafe extern "C" fn(_: *mut GSeekable, _: i64, _: *mut GCancellable, _: *mut *mut GError) -> gboolean>,
}
Fields
                           
                           g_iface: GTypeInterface
                           
                           
                           tell: Option<unsafe extern "C" fn(_: *mut GSeekable) -> i64>
                           
                           
                           can_seek: Option<unsafe extern "C" fn(_: *mut GSeekable) -> gboolean>
                           
                           
                           seek: Option<unsafe extern "C" fn(_: *mut GSeekable, _: i64, _: GSeekType, _: *mut GCancellable, _: *mut *mut GError) -> gboolean>
                           
                           
                           can_truncate: Option<unsafe extern "C" fn(_: *mut GSeekable) -> gboolean>
                           
                           
                           truncate_fn: Option<unsafe extern "C" fn(_: *mut GSeekable, _: i64, _: *mut GCancellable, _: *mut *mut GError) -> gboolean>