> Why not `#define termios2 ktermios' (or vice versa) on platforms where > they are the same? Because #define is a bit of a loose cannon when it comes to substitutions and I didn't want nasty suprises. Also because ktermios may change in future and I don't want to have to liase with 4 million port maintainers when it does. The whole point of ktermios was to isolate the kernel and user space views. Alan