int devfs_sinit(void);
devdirent_t * dev_findname(devnode_t * dir,char *name);
int dev_add_name(char * name, devnode_t * dirnode, devdirent_t * back,
devnode_t * dnp, devdirent_t * *dirent_pp);
int dev_add_node(int entrytype, devnode_type_t * typeinfo, devnode_t * proto,
devnode_t * *dn_pp, struct devfsmount *dvm);
int dev_touch(devdirent_t * key) ;
void devnode_free(devnode_t * dnp);
void devfs_dn_free(devnode_t * dnp);
int devfs_propogate(devdirent_t * parent,devdirent_t * child);
int dev_dup_plane(struct devfsmount *devfs_mp_p);
void devfs_free_plane(struct devfsmount *devfs_mp_p);
int dev_dup_entry(devnode_t * parent, devdirent_t * back, devdirent_t * *dnm_pp,
struct devfsmount *dvm);
int dev_free_name(devdirent_t * dirent_p);
void dev_free_hier(devdirent_t * dirent_p);
int devfs_dntovn(devnode_t * dnp, struct vnode **vn_pp, struct proc * p);
int dev_add_entry(char *name, devnode_t * parent, int type, devnode_type_t * typeinfo,
devnode_t * proto, struct devfsmount *dvm, devdirent_t * *nm_pp);
int devfs_mount(struct mount *mp, char *path, caddr_t data,
struct nameidata *ndp, struct proc *p);