void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
+/* Allocate a single item in the CRYPTO_EX_DATA variable */
+int CRYPTO_alloc_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad,
+ int idx);
+
/*
* Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
* index (relative to the class type involved)