} arcfour_ctx_t;
-/** \fn void arcfour_init(arcfour_ctx_t *ctx, void *key, uint8_t length_B)
+/** \fn void arcfour_init(const void *key, uint8_t length_B, arcfour_ctx_t *ctx)
* \brief setup a context with a key
*
* This function sets up a ::arcfour_ctx_t context using