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pub(crate) mod fdentry_impl; pub(crate) mod host_impl; pub(crate) mod hostcalls_impl; use crate::sys::errno_from_ioerror; use crate::Result; use std::fs::File; use std::path::Path; pub(crate) fn dev_null() -> Result<File> { File::open("/dev/null").map_err(errno_from_ioerror) } pub fn preopen_dir<P: AsRef<Path>>(path: P) -> Result<File> { File::open(path).map_err(errno_from_ioerror) }