-typedef bool (*simix_match_func_t)(void*, void*, simgrid::kernel::activity::CommImpl*);
-typedef void (*simix_copy_data_func_t)(simgrid::kernel::activity::CommImpl*, void*, size_t);
-typedef void (*simix_clean_func_t)(void*);
-typedef void (*FPtr)(); // Hide the ugliness
+using simix_match_func_t = bool (*)(void*, void*, simgrid::kernel::activity::CommImpl*);
+using simix_copy_data_func_t = void (*)(simgrid::kernel::activity::CommImpl*, void*, size_t);
+using simix_clean_func_t = void (*)(void*);
+using FPtr = void (*)(); // Hide the ugliness