static void _register_callback(void (*cb)(void *arg), void *arg)
{
+ (void)cb;
+ (void)arg;
}
#define register_callback(cb, arg) \
static void _register_callback_pre(void (*cb)(int x, void *arg), void *arg)
{
+ (void)cb;
+ (void)arg;
}
#define register_callback_pre(cb, arg) \
static void _register_callback_post(void (*cb)(void *arg, int x), void *arg)
{
+ (void)cb;
+ (void)arg;
}
#define register_callback_post(cb, arg) \
static void my_callback(struct undefined *undef)
{
+ (void)undef;
}
static void my_callback_pre(int x, struct undefined *undef)
{
+ (void)x;
+ (void)undef;
}
static void my_callback_post(struct undefined *undef, int x)
{
+ (void)undef;
+ (void)x;
}
-int main(int argc, char *argv[])
+int main(void)
{
struct undefined *handle = NULL;