Function libsqlite3_sys::sqlite3_rtree_query_callback

pub unsafe extern fn sqlite3_rtree_query_callback(db: *mut sqlite3,
                                                  zQueryFunc: *const c_char,
                                                  xQueryFunc: Option<unsafe extern fn(_: *mut sqlite3_rtree_query_info) -> c_int>,
                                                  pContext: *mut c_void,
                                                  xDestructor: Option<unsafe extern fn(_: *mut c_void)>)
                                                  -> c_int