#include <openssl/evp.h>
EVP_PKEY *EVP_PKEY_new(void);
- void EVP_PKEY_up_ref(EVP_PKEY *key);
+ int EVP_PKEY_up_ref(EVP_PKEY *key);
void EVP_PKEY_free(EVP_PKEY *key);
EVP_PKEY_new() returns either the newly allocated B<EVP_PKEY> structure or
B<NULL> if an error occurred.
-EVP_PKEY_up_ref() and EVP_PKEY_free() do not return a value.
+EVP_PKEY_up_ref() returns 1 for success and 0 for failure.
=head1 SEE ALSO