k5_tls_handle
char **anchors, k5_tls_handle *handle_out);
(*k5_tls_write_fn)(krb5_context context, k5_tls_handle handle,
(*k5_tls_read_fn)(krb5_context context, k5_tls_handle handle, void *data,
(*k5_tls_free_handle_fn)(krb5_context context, k5_tls_handle handle);
k5_tls_handle tls;
k5_tls_handle handle;
char **anchors, k5_tls_handle *handle_out)
k5_tls_handle handle = NULL;
write_tls(krb5_context context, k5_tls_handle handle, const void *data,
read_tls(krb5_context context, k5_tls_handle handle, void *data,
free_handle(krb5_context context, k5_tls_handle handle)