Function fcntl
pub fn fcntl<Fd: AsFd>(fd: Fd, arg: FcntlArg<'_>) -> Result<c_int>Perform various operations on open file descriptors.
fcntlpub fn fcntl<Fd: AsFd>(fd: Fd, arg: FcntlArg<'_>) -> Result<c_int>Perform various operations on open file descriptors.