drm_client32_t
client32to64(struct drm_client *c64, const drm_client32_t *c32)
client64to32(drm_client32_t *c32, const struct drm_client *c64)
drm_client32_t c32;
#define DRM_IOCTL_GET_CLIENT32 DRM_IOWR(0x05, drm_client32_t)