>I compiled it on a Sun 3/160 running (I think) SunOS v. 3.5 and it >works fine. No changes were required to the make file. It's a pre-4.x vs. 4.x difference; the streams-based tty driver in 4.x makes it harder to make the "tty 'ioctl's on the master side'" grot work than does the pretty much vanilla 4.xBSD tty driver in pre-4.x releases.