BIO *bio_open_owner(const char *filename, int format, int private);
BIO *bio_open_default(const char *filename, char mode, int format);
BIO *bio_open_default_quiet(const char *filename, char mode, int format);
+CONF *app_load_config_bio(BIO *in, const char *filename);
CONF *app_load_config(const char *filename);
CONF *app_load_config_quiet(const char *filename);
int app_load_modules(const CONF *config);