+void *(*CRYPTO_get_idptr_callback(void))(void)
+ {
+ return(idptr_callback);
+ }
+
+void CRYPTO_set_idptr_callback(void *(*func)(void))
+ {
+ idptr_callback=func;
+ }
+
+void *CRYPTO_thread_idptr(void)
+ {
+ void *ret=NULL;
+
+ if (idptr_callback == NULL)
+ ret = &errno;
+ else
+ ret = idptr_callback();
+
+ return ret;
+ }
+