/* this one never munges pkg */
void pkg_vec_insert(pkg_vec_t *vec, const pkg_t *pkg);
int pkg_vec_contains(pkg_vec_t *vec, pkg_t *apkg);
/* this one never munges pkg */
void pkg_vec_insert(pkg_vec_t *vec, const pkg_t *pkg);
int pkg_vec_contains(pkg_vec_t *vec, pkg_t *apkg);