Use named types for onion callbacks.

This is now a style rule: you can only use typedef'd function types.

Previous rules now applied in `onion_*.c`:
* `struct`s must have a name (typedef of unnamed struct is not allowed).
* `++i` for increment-stmt, not `i++`, e.g. in loops.
* Only a single declarator per struct member declaration.
* Type_Names vs. variable_names.

1 files changed, 1 insertions, 1 deletions

diff --git a/toxcore/onion.c b/toxcore/onion.c
index 5bbc7f75..cfe12a05 100644
--- a/toxcore/onion.c
+++ b/toxcore/onion.c
@@ -655,7 +655,7 @@ static int handle_recv_1(void *object, IP_Port source, const uint8_t *packet, ui
     return 0;
 }
 
-void set_callback_handle_recv_1(Onion *onion, int (*function)(void *, IP_Port, const uint8_t *, uint16_t), void *object)
+void set_callback_handle_recv_1(Onion *onion, onion_recv_1_cb *function, void *object)
 {
     onion->recv_1_function = function;
     onion->callback_object = object;