1 /* These are in a separate C file so we can test undefined structures. */ 2 struct opaque; 3 typedef struct opaque opaque_t; 4 5 opaque_t *create_opaque_blob(void); 6 bool if_blobs_know_the_secret(opaque_t *blob); 7 void destroy_opaque_blob(opaque_t *blob); 8 9 10