#define ALLDELAYS (NLDELAY|TBDELAY|XTABS|CRDELAY|VTDELAY)
/*
* A pseudo-teletype is a special device which is not unlike a pipe.
* It is used to communicate between two processes. However, it allows
* one to simulate a teletype, including mode setting, interrupt, and
#define ALLDELAYS (NLDELAY|TBDELAY|XTABS|CRDELAY|VTDELAY)
/*
* A pseudo-teletype is a special device which is not unlike a pipe.
* It is used to communicate between two processes. However, it allows
* one to simulate a teletype, including mode setting, interrupt, and