rumpuser_dprintf
void rumpuser_dprintf(const char *, ...) __printflike(1, 2);
rumpuser_dprintf("rumpuser init failed\n");
rumpuser_dprintf("%s / %s: %" PRIu64 "\n",
vfs_vnode_print(vp, *full, (void *)rumpuser_dprintf);
rumpuser_dprintf("\n==== dumping mountpoint at ``%s'' ====\n\n", path);
rumpuser_dprintf("==== lookup error %d ====\n\n", error);
vfs_mount_print(mvp->v_mount, full, (void *)rumpuser_dprintf);
rumpuser_dprintf("\n== dumping vnodes ==\n\n");
rumpuser_dprintf("\n==== done ====\n\n");
rumpuser_dprintf("mount dump not supported without DEBUGPRINT\n");
#define DPRINTF(x) rumpuser_dprintf x