void test(void)
{
int i;
/* expression initializer */
for (i = 0; i < 10; i++) {}
/* C99 declaration initializer */
for (int j = 0; j < 10; j++) {}
/* pointer declaration initializer */
GList *list = NULL;
for (GList *l = list; l != NULL; l = l->next) {}
/* no initializer */
for (; i < 20; i++) {}
}