pub unsafe fn sqlite3_create_function16(
arg1: *mut sqlite3,
arg2: *const c_void,
arg3: c_int,
arg4: c_int,
arg5: *mut c_void,
xFunc: Option<unsafe extern "C" fn(arg1: *mut sqlite3_context, arg2: c_int, arg3: *mut *mut sqlite3_value)>,
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)>,
) -> c_int