+#define sk_${t1}_set(st, i, val) sk_set(CHECKED_STACK_OF($t1, st), i, CHECKED_PTR_OF($t2, val))
+#define sk_${t1}_zero(st) SKM_sk_zero($t1, (st))
+#define sk_${t1}_unshift(st, val) sk_unshift(CHECKED_STACK_OF($t1, st), CHECKED_PTR_OF($t2, val))
+#define sk_${t1}_find_ex(st, val) sk_find_ex((_STACK *)CHECKED_CONST_PTR_OF(STACK_OF($t1), st), CHECKED_CONST_PTR_OF($t2, val))
+#define sk_${t1}_delete(st, i) SKM_sk_delete($t1, (st), (i))
+#define sk_${t1}_delete_ptr(st, ptr) ($t1 *)sk_delete_ptr(CHECKED_STACK_OF($t1, st), CHECKED_PTR_OF($t2, ptr))
+#define sk_${t1}_set_cmp_func(st, cmp) \\
+ ((int (*)(const $t2 * const *,const $t2 * const *)) \\
+ sk_set_cmp_func(CHECKED_STACK_OF($t1, st), CHECKED_SK_CMP_FUNC($t2, cmp)))
+#define sk_${t1}_dup(st) SKM_sk_dup($t1, st)
+#define sk_${t1}_shift(st) SKM_sk_shift($t1, (st))
+#define sk_${t1}_pop(st) ($t2 *)sk_pop(CHECKED_STACK_OF($t1, st))
+#define sk_${t1}_sort(st) SKM_sk_sort($t1, (st))
+#define sk_${t1}_is_sorted(st) SKM_sk_is_sorted($t1, (st))
+