extern void afb_context_init_validated(struct afb_context *context, struct afb_session *session);
extern void afb_context_subinit(struct afb_context *context, struct afb_context *super);
extern void afb_context_init_validated(struct afb_context *context, struct afb_session *session);
extern void afb_context_subinit(struct afb_context *context, struct afb_context *super);