pub unsafe extern "C" fn alpm_list_diff(
lhs: *const alpm_list_t,
rhs: *const alpm_list_t,
fn_: alpm_list_fn_cmp,
) -> *mut alpm_list_t
pub unsafe extern "C" fn alpm_list_diff(
lhs: *const alpm_list_t,
rhs: *const alpm_list_t,
fn_: alpm_list_fn_cmp,
) -> *mut alpm_list_t