int PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
unsigned int *siglen, EVP_PKEY *pkey);
-int PEM_def_callback(char *buf, int num, int w, void *key);
+/* The default pem_password_cb that's used internally */
+int PEM_def_callback(char *buf, int num, int rwflag, void *userdata);
void PEM_proc_type(char *buf, int type);
void PEM_dek_info(char *buf, const char *type, int len, char *str);