383 pub struct FileDescriptorVec {  struct
385     pub fds: [Option<Box<File>>; FileDescriptorVec::PROCESS_MAX_FD],  argument
388 impl FileDescriptorVec {  implementation
391     pub fn new() -> Box<FileDescriptorVec> {  in new()
393         let mut data: [MaybeUninit<Option<Box<File>>>; FileDescriptorVec::PROCESS_MAX_FD] =  in new()
397         for i in 0..FileDescriptorVec::PROCESS_MAX_FD {  in new()
401         let data: [Option<Box<File>>; FileDescriptorVec::PROCESS_MAX_FD] = unsafe {  in new()
402             core::mem::transmute::<_, [Option<Box<File>>; FileDescriptorVec::PROCESS_MAX_FD]>(data)  in new()
406         return Box::new(FileDescriptorVec { fds: data });  in new()
412     pub fn clone(&self) -> Box<FileDescriptorVec> {  in clone()  argument
413         let mut res: Box<FileDescriptorVec> = FileDescriptorVec::new();  in clone()
414         for i in 0..FileDescriptorVec::PROCESS_MAX_FD {  in clone()
424     pub fn from_pcb(pcb: &'static process_control_block) -> Option<&'static mut FileDescriptorVec> {  in from_pcb()  argument
425         return unsafe { (pcb.fds as usize as *mut FileDescriptorVec).as_mut() };  in from_pcb()
435         if fd < 0 || fd as usize > FileDescriptorVec::PROCESS_MAX_FD {  in validate_fd()