sk_insert
return (sk_insert(st, data, st->num));
return (sk_insert(st, data, 0));
sk_insert(CHECKED_STACK_OF(type, st), CHECKED_PTR_OF(type, val), i)
#define sk_OPENSSL_STRING_insert(st, val, i) sk_insert(CHECKED_STACK_OF(OPENSSL_STRING, st), CHECKED_PTR_OF(char, val), i)
#define sk_OPENSSL_BLOCK_insert(st, val, i) sk_insert(CHECKED_STACK_OF(OPENSSL_BLOCK, st), CHECKED_PTR_OF(void, val), i)
#define sk_OPENSSL_PSTRING_insert(st, val, i) sk_insert(CHECKED_STACK_OF(OPENSSL_PSTRING, st), CHECKED_PTR_OF(OPENSSL_STRING, val), i)
int sk_insert(_STACK *sk, void *data, int where);