mlx_ccb_wait
rv = mlx_ccb_wait(mlx, mc);
rv = mlx_ccb_wait(mlx, mc);
if (mlx_ccb_wait(mlx, mc) != 0)
if (mlx_ccb_wait(mlx, mc) != 0)
if ((rv = mlx_ccb_wait(mlx, mc)) != 0) {
int mlx_ccb_wait(struct mlx_softc *, struct mlx_ccb *);