Made it compile using unsafe call to borrow_raw

ex3_obc_fsw/cmd_dispatcher/src/main.rs

@@ -1,15 +1,16 @@
 use nix::sys::socket::accept;
 use nix::unistd::{read, write, close};
 use nix::Error;
-use strum::IntoEnumIterator;
-use std::os::fd::{AsFd, RawFd, AsRawFd};
+use std::os::fd::{AsRawFd, BorrowedFd};
 
 use ipc::{IpcClient, IpcServer, IPC_BUFFER_SIZE};
 use common::component_ids::ComponentIds;
 use message_structure::MsgHeaderNew;
 
+const ARRAY_REPEAT_VALUE: Option<IpcClient> = None;
+
 fn main() {
-    let component_streams: [Option<IpcClient>; ComponentIds::LAST as usize];
+    let mut component_streams: [Option<IpcClient>; ComponentIds::LAST as usize] = [ARRAY_REPEAT_VALUE; ComponentIds::LAST as usize];
     for x in 0..(ComponentIds::LAST as usize) {
         component_streams[x] = {
             match ComponentIds::try_from(x as u8) {
@@ -67,7 +68,9 @@ fn main() {
             Ok(payload) => {
                 match &component_streams[dest as usize] {
                     Some(client) => {
-                        write(client.fd, &buffer)
+                        unsafe {
+                            write(BorrowedFd::borrow_raw(client.fd.as_raw_fd()), &buffer)
+                        }
                     },
                     None => {
                         eprintln!("No payload: {payload}!");