-void a5_1_init(a5_1_ctx_t *c, uint8_t *key, uint8_t length);
-bool a5_1_clock(a5_1_ctx_t *c);
-uint8_t a5_1_gen(a5_ 1_ctx_t *c);
+void a5_1_init(a5_1_ctx_t *c, void* key, uint8_t keylength_b, void* iv, uint8_t ivlength_b);
+uint8_t a5_1_clock(a5_1_ctx_t *c);
+uint8_t a5_1_gen(a5_1_ctx_t *c);