pub unsafe extern "C" fn sqlite3_create_window_function(
db: *mut sqlite3,
zFunctionName: *const c_char,
nArg: c_int,
eTextRep: c_int,
pApp: *mut c_void,
xStep: Option<unsafe extern "C" fn(arg1: *mut sqlite3_context, arg2: c_int, arg3: *mut *mut sqlite3_value)>,
xFinal: Option<unsafe extern "C" fn(arg1: *mut sqlite3_context)>,
xValue: Option<unsafe extern "C" fn(arg1: *mut sqlite3_context)>,
xInverse: Option<unsafe extern "C" fn(arg1: *mut sqlite3_context, arg2: c_int, arg3: *mut *mut sqlite3_value)>,
xDestroy: Option<unsafe extern "C" fn(arg1: *mut c_void)>,
) -> c_int