Function sqlite3_native::sqlite3_create_window_function

#[no_mangle]pub unsafe extern "C" fn sqlite3_create_window_function(
    db: *mut sqlite3, 
    zFunc: *const c_char, 
    nArg: c_int, 
    enc: c_int, 
    p: *mut c_void, 
    xStep: Option<unsafe extern "C" fn(_: *mut sqlite3_context, _: c_int, _: *mut *mut sqlite3_value)>, 
    xFinal: Option<unsafe extern "C" fn(_: *mut sqlite3_context)>, 
    xValue: Option<unsafe extern "C" fn(_: *mut sqlite3_context)>, 
    xInverse: Option<unsafe extern "C" fn(_: *mut sqlite3_context, _: c_int, _: *mut *mut sqlite3_value)>, 
    xDestroy: Option<unsafe extern "C" fn(_: *mut c_void)>
) -> c_int