typedef struct VCChardev VCChardev;
#define TYPE_CHARDEV_VC "chardev-vc"
-#define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
+DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
+ TYPE_CHARDEV_VC)
static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
{