int get_cert_chain(X509 *cert, STACK **chain);
int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass, int passlen, int options);
int dump_certs_pkeys_bags(BIO *out, STACK *bags, char *pass, int passlen, int options);
int get_cert_chain(X509 *cert, STACK **chain);
int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass, int passlen, int options);
int dump_certs_pkeys_bags(BIO *out, STACK *bags, char *pass, int passlen, int options);