MAPPED_IOCTL_MAPF
#define MAPPED_IOCTL_MAP(c,t) MAPPED_IOCTL_MAPF((c), (t), NULL)
#define MAPPED_IOCTL_IO(c,f) MAPPED_IOCTL_MAPF((c), _IO(0, 0), (f))
#define MAPPED_IOCTL_IOR(c,f,t) MAPPED_IOCTL_MAPF((c), _IOR(0, 0, t), (f))
#define MAPPED_IOCTL_IOW(c,f,t) MAPPED_IOCTL_MAPF((c), _IOW(0, 0, t), (f))
#define MAPPED_IOCTL_IOWR(c,f,t) MAPPED_IOCTL_MAPF((c), _IOWR(0, 0, t), (f))