Function if_indextoname

crates/stdlib/src/socket.rs:3098–3109

(index: IfIndex, vm: &VirtualMachine)

    #[cfg(not(target_os = "redox"))]
    #[pyfunction]
    fn if_indextoname(index: IfIndex, vm: &VirtualMachine) -> PyResult<String> {
        let mut buf = [0; c::IF_NAMESIZE + 1];
        // in case 'if_indextoname' does not set errno
        crate::common::os::set_errno(libc::ENXIO);
        let ret = unsafe { c::if_indextoname(index, buf.as_mut_ptr()) };
        if ret.is_null() {
            Err(vm.new_last_errno_error())
        } else {
            let buf = unsafe { ffi::CStr::from_ptr(buf.as_ptr() as _) };
            Ok(buf.to_string_lossy().into_owned())
        }
    }

    #[cfg(any(
        windows,