#define AUTHLOOKUP_CALLBACK(NAME) void NAME(UNUSED_ARG(char *auth), UNUSED_ARG(int exists), UNUSED_ARG(time_t registered), UNUSED_ARG(void *data))
typedef AUTHLOOKUP_CALLBACK(authlookup_callback_t);
#define AUTHLOOKUP_CALLBACK(NAME) void NAME(UNUSED_ARG(char *auth), UNUSED_ARG(int exists), UNUSED_ARG(time_t registered), UNUSED_ARG(void *data))
typedef AUTHLOOKUP_CALLBACK(authlookup_callback_t);