__owur STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
__owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
const char *file);
-# ifndef OPENSSL_SYS_VMS
int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
const char *dir);
-# endif
void SSL_load_error_strings(void);
__owur const char *SSL_state_string(const SSL *s);