109     fn trim_string(&self, data: &mut Vec<u8>) {  in trim_string()
117     fn open_status(&self, pdata: &mut ProcfsFilePrivateData) -> Result<i64, i32> {  in open_status()
196         &self,  in read_status()
281     pub fn register_pid(&self, pid: i64) -> Result<(), i32> {  in register_pid()
303     pub fn unregister_pid(&self, pid: i64) -> Result<(), i32> {  in unregister_pid()
322     fn open(&self, data: &mut FilePrivateData) -> Result<(), i32> {  in open()
345     fn close(&self, data: &mut FilePrivateData) -> Result<(), i32> {  in close()
364         &self,  in read_at()
411         &self,  in write_at()
449     fn set_metadata(&self, metadata: &Metadata) -> Result<(), i32> {  in set_metadata()
461     fn resize(&self, len: usize) -> Result<(), i32> {  in resize()
472         &self,  in create_with_data()
528     fn link(&self, name: &str, other: &Arc<dyn IndexNode>) -> Result<(), i32> {  in link()
559     fn unlink(&self, name: &str) -> Result<(), i32> {  in unlink()
580         &self,  in move_()
588     fn find(&self, name: &str) -> Result<Arc<dyn IndexNode>, i32> {  in find()
610     fn get_entry_name(&self, ino: InodeId) -> Result<String, i32> {  in get_entry_name()