73     uid: i32,
75     gid: i32,
196         return current_pcb().drop_fd(fd as i32).map(|_| 0);  in close()
206     pub fn read(fd: i32, buf: &mut [u8]) -> Result<usize, SystemError> {  in read()  argument
224     pub fn write(fd: i32, buf: &[u8]) -> Result<usize, SystemError> {  in write()  argument
242     pub fn lseek(fd: i32, seek: SeekFrom) -> Result<usize, SystemError> {  in lseek()  argument
308     pub fn getdents(fd: i32, buf: &mut [u8]) -> Result<usize, SystemError> {  in getdents()  argument
346     pub fn unlinkat(_dirfd: i32, pathname: &str, flags: u32) -> Result<usize, SystemError> {  in unlinkat()  argument
377     pub fn dup(oldfd: i32) -> Result<usize, SystemError> {  in dup()
412     pub fn dup2(oldfd: i32, newfd: i32) -> Result<usize, SystemError> {  in dup2()  argument
459     pub fn fcntl(fd: i32, cmd: FcntlCommand, arg: i32) -> Result<usize, SystemError> {  in fcntl()  argument
469                             return Self::dup2(fd, i as i32);  in fcntl()
562     pub fn ftruncate(fd: i32, len: usize) -> Result<usize, SystemError> {  in ftruncate()  argument
574     fn do_fstat(fd: i32) -> Result<PosixKstat, SystemError> {  in do_fstat()
596                         kstat.uid = metadata.uid as i32;  in do_fstat()
597                         kstat.gid = metadata.gid as i32;  in do_fstat()
620     pub fn fstat(fd: i32, usr_kstat: *mut PosixKstat) -> Result<usize, SystemError> {  in fstat()  argument