-X509 *load_cert(BIO *err, char *file, int format);
-EVP_PKEY *load_key(BIO *err, char *file, int format, char *pass, ENGINE *e);
-EVP_PKEY *load_pubkey(BIO *err, char *file, int format, ENGINE *e);
-STACK_OF(X509) *load_certs(BIO *err, char *file, int format);
+X509 *load_cert(BIO *err, const char *file, int format,
+ const char *pass, ENGINE *e, const char *cert_descrip);
+EVP_PKEY *load_key(BIO *err, const char *file, int format,
+ const char *pass, ENGINE *e, const char *key_descrip);
+EVP_PKEY *load_pubkey(BIO *err, const char *file, int format,
+ const char *pass, ENGINE *e, const char *key_descrip);
+STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
+ const char *pass, ENGINE *e, const char *cert_descrip);
+X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath);
+ENGINE *setup_engine(BIO *err, const char *engine, int debug);