//! Low-level ioctl request definitions.
use ulong;
/// ioctl request type for hwdep operations.
pub const IO_H: ulong = 'H' as ulong;
/// ioctl request type for PCM-related operations.
pub const IO_A: ulong = 'A' as ulong;
/// ioctl request type for raw-MIDI-related operations.
pub const IO_W: ulong = 'W' as ulong;
/// ioctl request type for timer-related operations.
pub const IO_T: ulong = 'T' as ulong;
// ioctl request type for control-related operations;
pub const IO_U: ulong = 'U' as ulong;