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    use super::super::c;

    /// `TCSA*` values for use with [`tcsetattr`].
    ///
    /// [`tcsetattr`]: crate::termios::tcsetattr
    #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
    #[repr(u32)]
    pub enum OptionalActions {
        /// `TCSANOW`—Make the change immediately.
        Now = linux_raw_sys::general::TCSANOW,

        /// `TCSADRAIN`—Make the change after all output has been transmitted.
        Drain = linux_raw_sys::general::TCSADRAIN,

        /// `TCSAFLUSH`—Discard any pending input and then make the change
        /// after all output has been transmitted.
        Flush = linux_raw_sys::general::TCSAFLUSH,
    }

    /// `TC*` values for use with [`tcflush`].
    ///
    /// [`tcflush`]: crate::termios::tcflush
    #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
    #[repr(u32)]
    pub enum QueueSelector {
        /// `TCIFLUSH`—Flush data received but not read.
        IFlush = linux_raw_sys::general::TCIFLUSH,

        /// `TCOFLUSH`—Flush data written but not transmitted.
        OFlush = linux_raw_sys::general::TCOFLUSH,

        /// `TCIOFLUSH`—`IFlush` and `OFlush` combined.
        IOFlush = linux_raw_sys::general::TCIOFLUSH,
    }

    /// `TC*` values for use with [`tcflow`].
    ///
    /// [`tcflow`]: crate::termios::tcflow
    #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
    #[repr(u32)]
    pub enum Action {
        /// `TCOOFF`—Suspend output.
        OOff = linux_raw_sys::general::TCOOFF,

        /// `TCOON`—Restart suspended output.
        OOn = linux_raw_sys::general::TCOON,

        /// `TCIOFF`—Transmits a STOP byte.
        IOff = linux_raw_sys::general::TCIOFF,

        /// `TCION`—Transmits a START byte.
        IOn = linux_raw_sys::general::TCION,
    }

    /// `struct termios` for use with [`tcgetattr`].
    ///
    /// [`tcgetattr`]: crate::termios::tcgetattr
    pub type Termios = linux_raw_sys::general::termios;

    /// `struct winsize` for use with [`tcgetwinsize`].
    ///
    /// [`tcgetwinsize`]: crate::termios::tcgetwinsize
    pub type Winsize = linux_raw_sys::general::winsize;

    /// `tcflag_t`—A type for the flags fields of [`Termios`].
    pub type Tcflag = linux_raw_sys::general::tcflag_t;

    /// `speed_t`—A return type for [`cfsetspeed`] and similar.
    ///
    /// [`cfsetspeed`]: crate::termios::cfsetspeed
    pub type Speed = linux_raw_sys::general::speed_t;

    /// `VINTR`
    pub const VINTR: usize = linux_raw_sys::general::VINTR as usize;

    /// `VQUIT`
    pub const VQUIT: usize = linux_raw_sys::general::VQUIT as usize;

    /// `VERASE`
    pub const VERASE: usize = linux_raw_sys::general::VERASE as usize;

    /// `VKILL`
    pub const VKILL: usize = linux_raw_sys::general::VKILL as usize;

    /// `VEOF`
    pub const VEOF: usize = linux_raw_sys::general::VEOF as usize;

    /// `VTIME`
    pub const VTIME: usize = linux_raw_sys::general::VTIME as usize;

    /// `VMIN`
    pub const VMIN: usize = linux_raw_sys::general::VMIN as usize;

    /// `VSWTC`
    pub const VSWTC: usize = linux_raw_sys::general::VSWTC as usize;

    /// `VSTART`
    pub const VSTART: usize = linux_raw_sys::general::VSTART as usize;

    /// `VSTOP`
    pub const VSTOP: usize = linux_raw_sys::general::VSTOP as usize;

    /// `VSUSP`
    pub const VSUSP: usize = linux_raw_sys::general::VSUSP as usize;

    /// `VEOL`
    pub const VEOL: usize = linux_raw_sys::general::VEOL as usize;

    /// `VREPRINT`
    pub const VREPRINT: usize = linux_raw_sys::general::VREPRINT as usize;

    /// `VDISCARD`
    pub const VDISCARD: usize = linux_raw_sys::general::VDISCARD as usize;

    /// `VWERASE`
    pub const VWERASE: usize = linux_raw_sys::general::VWERASE as usize;

    /// `VLNEXT`
    pub const VLNEXT: usize = linux_raw_sys::general::VLNEXT as usize;

    /// `VEOL2`
    pub const VEOL2: usize = linux_raw_sys::general::VEOL2 as usize;

    /// `IGNBRK`
    pub const IGNBRK: c::c_uint = linux_raw_sys::general::IGNBRK;

    /// `BRKINT`
    pub const BRKINT: c::c_uint = linux_raw_sys::general::BRKINT;

    /// `IGNPAR`
    pub const IGNPAR: c::c_uint = linux_raw_sys::general::IGNPAR;

    /// `PARMRK`
    pub const PARMRK: c::c_uint = linux_raw_sys::general::PARMRK;

    /// `INPCK`
    pub const INPCK: c::c_uint = linux_raw_sys::general::INPCK;

    /// `ISTRIP`
    pub const ISTRIP: c::c_uint = linux_raw_sys::general::ISTRIP;

    /// `INLCR`
    pub const INLCR: c::c_uint = linux_raw_sys::general::INLCR;

    /// `IGNCR`
    pub const IGNCR: c::c_uint = linux_raw_sys::general::IGNCR;

    /// `ICRNL`
    pub const ICRNL: c::c_uint = linux_raw_sys::general::ICRNL;

    /// `IUCLC`
    pub const IUCLC: c::c_uint = linux_raw_sys::general::IUCLC;

    /// `IXON`
    pub const IXON: c::c_uint = linux_raw_sys::general::IXON;

    /// `IXANY`
    pub const IXANY: c::c_uint = linux_raw_sys::general::IXANY;

    /// `IXOFF`
    pub const IXOFF: c::c_uint = linux_raw_sys::general::IXOFF;

    /// `IMAXBEL`
    pub const IMAXBEL: c::c_uint = linux_raw_sys::general::IMAXBEL;

    /// `IUTF8`
    pub const IUTF8: c::c_uint = linux_raw_sys::general::IUTF8;

    /// `OPOST`
    pub const OPOST: c::c_uint = linux_raw_sys::general::OPOST;

    /// `OLCUC`
    pub const OLCUC: c::c_uint = linux_raw_sys::general::OLCUC;

    /// `ONLCR`
    pub const ONLCR: c::c_uint = linux_raw_sys::general::ONLCR;

    /// `OCRNL`
    pub const OCRNL: c::c_uint = linux_raw_sys::general::OCRNL;

    /// `ONOCR`
    pub const ONOCR: c::c_uint = linux_raw_sys::general::ONOCR;

    /// `ONLRET`
    pub const ONLRET: c::c_uint = linux_raw_sys::general::ONLRET;

    /// `OFILL`
    pub const OFILL: c::c_uint = linux_raw_sys::general::OFILL;

    /// `OFDEL`
    pub const OFDEL: c::c_uint = linux_raw_sys::general::OFDEL;

    /// `NLDLY`
    pub const NLDLY: c::c_uint = linux_raw_sys::general::NLDLY;

    /// `NL0`
    pub const NL0: c::c_uint = linux_raw_sys::general::NL0;

    /// `NL1`
    pub const NL1: c::c_uint = linux_raw_sys::general::NL1;

    /// `CRDLY`
    pub const CRDLY: c::c_uint = linux_raw_sys::general::CRDLY;

    /// `CR0`
    pub const CR0: c::c_uint = linux_raw_sys::general::CR0;

    /// `CR1`
    pub const CR1: c::c_uint = linux_raw_sys::general::CR1;

    /// `CR2`
    pub const CR2: c::c_uint = linux_raw_sys::general::CR2;

    /// `CR3`
    pub const CR3: c::c_uint = linux_raw_sys::general::CR3;

    /// `TABDLY`
    pub const TABDLY: c::c_uint = linux_raw_sys::general::TABDLY;

    /// `TAB0`
    pub const TAB0: c::c_uint = linux_raw_sys::general::TAB0;

    /// `TAB1`
    pub const TAB1: c::c_uint = linux_raw_sys::general::TAB1;

    /// `TAB2`
    pub const TAB2: c::c_uint = linux_raw_sys::general::TAB2;

    /// `TAB3`
    pub const TAB3: c::c_uint = linux_raw_sys::general::TAB3;

    /// `BSDLY`
    pub const BSDLY: c::c_uint = linux_raw_sys::general::BSDLY;

    /// `BS0`
    pub const BS0: c::c_uint = linux_raw_sys::general::BS0;

    /// `BS1`
    pub const BS1: c::c_uint = linux_raw_sys::general::BS1;

    /// `FFDLY`
    pub const FFDLY: c::c_uint = linux_raw_sys::general::FFDLY;

    /// `FF0`
    pub const FF0: c::c_uint = linux_raw_sys::general::FF0;

    /// `FF1`
    pub const FF1: c::c_uint = linux_raw_sys::general::FF1;

    /// `VTDLY`
    pub const VTDLY: c::c_uint = linux_raw_sys::general::VTDLY;

    /// `VT0`
    pub const VT0: c::c_uint = linux_raw_sys::general::VT0;

    /// `VT1`
    pub const VT1: c::c_uint = linux_raw_sys::general::VT1;

    /// `B0`
    pub const B0: Speed = linux_raw_sys::general::B0;

    /// `B50`
    pub const B50: Speed = linux_raw_sys::general::B50;

    /// `B75`
    pub const B75: Speed = linux_raw_sys::general::B75;

    /// `B110`
    pub const B110: Speed = linux_raw_sys::general::B110;

    /// `B134`
    pub const B134: Speed = linux_raw_sys::general::B134;

    /// `B150`
    pub const B150: Speed = linux_raw_sys::general::B150;

    /// `B200`
    pub const B200: Speed = linux_raw_sys::general::B200;

    /// `B300`
    pub const B300: Speed = linux_raw_sys::general::B300;

    /// `B600`
    pub const B600: Speed = linux_raw_sys::general::B600;

    /// `B1200`
    pub const B1200: Speed = linux_raw_sys::general::B1200;

    /// `B1800`
    pub const B1800: Speed = linux_raw_sys::general::B1800;

    /// `B2400`
    pub const B2400: Speed = linux_raw_sys::general::B2400;

    /// `B4800`
    pub const B4800: Speed = linux_raw_sys::general::B4800;

    /// `B9600`
    pub const B9600: Speed = linux_raw_sys::general::B9600;

    /// `B19200`
    pub const B19200: Speed = linux_raw_sys::general::B19200;

    /// `B38400`
    pub const B38400: Speed = linux_raw_sys::general::B38400;

    /// `B57600`
    pub const B57600: Speed = linux_raw_sys::general::B57600;

    /// `B115200`
    pub const B115200: Speed = linux_raw_sys::general::B115200;

    /// `B230400`
    pub const B230400: Speed = linux_raw_sys::general::B230400;

    /// `B460800`
    pub const B460800: Speed = linux_raw_sys::general::B460800;

    /// `B500000`
    pub const B500000: Speed = linux_raw_sys::general::B500000;

    /// `B576000`
    pub const B576000: Speed = linux_raw_sys::general::B576000;

    /// `B921600`
    pub const B921600: Speed = linux_raw_sys::general::B921600;

    /// `B1000000`
    pub const B1000000: Speed = linux_raw_sys::general::B1000000;

    /// `B1152000`
    pub const B1152000: Speed = linux_raw_sys::general::B1152000;

    /// `B1500000`
    pub const B1500000: Speed = linux_raw_sys::general::B1500000;

    /// `B2000000`
    pub const B2000000: Speed = linux_raw_sys::general::B2000000;

    /// `B2500000`
    #[cfg(not(any(target_arch = "sparc", target_arch = "sparc64")))]
    pub const B2500000: Speed = linux_raw_sys::general::B2500000;

    /// `B3000000`
    #[cfg(not(any(target_arch = "sparc", target_arch = "sparc64")))]
    pub const B3000000: Speed = linux_raw_sys::general::B3000000;

    /// `B3500000`
    #[cfg(not(any(target_arch = "sparc", target_arch = "sparc64")))]
    pub const B3500000: Speed = linux_raw_sys::general::B3500000;

    /// `B4000000`
    #[cfg(not(any(target_arch = "sparc", target_arch = "sparc64")))]
    pub const B4000000: Speed = linux_raw_sys::general::B4000000;

    /// `CSIZE`
    pub const CSIZE: c::c_uint = linux_raw_sys::general::CSIZE;

    /// `CS5`
    pub const CS5: c::c_uint = linux_raw_sys::general::CS5;

    /// `CS6`
    pub const CS6: c::c_uint = linux_raw_sys::general::CS6;

    /// `CS7`
    pub const CS7: c::c_uint = linux_raw_sys::general::CS7;

    /// `CS8`
    pub const CS8: c::c_uint = linux_raw_sys::general::CS8;

    /// `CSTOPB`
    pub const CSTOPB: c::c_uint = linux_raw_sys::general::CSTOPB;

    /// `CREAD`
    pub const CREAD: c::c_uint = linux_raw_sys::general::CREAD;

    /// `PARENB`
    pub const PARENB: c::c_uint = linux_raw_sys::general::PARENB;

    /// `PARODD`
    pub const PARODD: c::c_uint = linux_raw_sys::general::PARODD;

    /// `HUPCL`
    pub const HUPCL: c::c_uint = linux_raw_sys::general::HUPCL;

    /// `CLOCAL`
    pub const CLOCAL: c::c_uint = linux_raw_sys::general::CLOCAL;

    /// `ISIG`
    pub const ISIG: c::c_uint = linux_raw_sys::general::ISIG;

    /// `ICANON`—A flag for the `c_lflag` field of [`Termios`] indicating
    /// canonical mode.
    pub const ICANON: Tcflag = linux_raw_sys::general::ICANON;

    /// `ECHO`
    pub const ECHO: c::c_uint = linux_raw_sys::general::ECHO;

    /// `ECHOE`
    pub const ECHOE: c::c_uint = linux_raw_sys::general::ECHOE;

    /// `ECHOK`
    pub const ECHOK: c::c_uint = linux_raw_sys::general::ECHOK;

    /// `ECHONL`
    pub const ECHONL: c::c_uint = linux_raw_sys::general::ECHONL;

    /// `NOFLSH`
    pub const NOFLSH: c::c_uint = linux_raw_sys::general::NOFLSH;

    /// `TOSTOP`
    pub const TOSTOP: c::c_uint = linux_raw_sys::general::TOSTOP;

    /// `IEXTEN`
    pub const IEXTEN: c::c_uint = linux_raw_sys::general::IEXTEN;

    /// `EXTA`
    pub const EXTA: c::c_uint = linux_raw_sys::general::EXTA;

    /// `EXTB`
    pub const EXTB: c::c_uint = linux_raw_sys::general::EXTB;

    /// `CBAUD`
    pub const CBAUD: c::c_uint = linux_raw_sys::general::CBAUD;

    /// `CBAUDEX`
    pub const CBAUDEX: c::c_uint = linux_raw_sys::general::CBAUDEX;

    /// `CIBAUD`
    pub const CIBAUD: c::c_uint = linux_raw_sys::general::CIBAUD;

    /// `CMSPAR`
    pub const CMSPAR: c::c_uint = linux_raw_sys::general::CMSPAR;

    /// `CRTSCTS`
    pub const CRTSCTS: c::c_uint = linux_raw_sys::general::CRTSCTS;

    /// `XCASE`
    pub const XCASE: c::c_uint = linux_raw_sys::general::XCASE;

    /// `ECHOCTL`
    pub const ECHOCTL: c::c_uint = linux_raw_sys::general::ECHOCTL;

    /// `ECHOPRT`
    pub const ECHOPRT: c::c_uint = linux_raw_sys::general::ECHOPRT;

    /// `ECHOKE`
    pub const ECHOKE: c::c_uint = linux_raw_sys::general::ECHOKE;

    /// `FLUSHO`
    pub const FLUSHO: c::c_uint = linux_raw_sys::general::FLUSHO;

    /// `PENDIN`
    pub const PENDIN: c::c_uint = linux_raw_sys::general::PENDIN;

    /// `EXTPROC`
    pub const EXTPROC: c::c_uint = linux_raw_sys::general::EXTPROC;

    /// `XTABS`
    pub const XTABS: c::c_uint = linux_raw_sys::general::XTABS;