Which *nix ? BSD : System V

[John Nelson]

In article <5068 at elsie.UUCP> ado at elsie.UUCP (Arthur David Olson) writes:
>An alternative might be to include "sys/ioctl.h", which is present on 4.1bsd,
>4.2bsd, and System III.  If it's also present on System V (and the Berkeley
>FIONREAD ioctl call hasn't been picked up AT&T) you're in good shape.

NO!  Unisoft ports of System III and System V have implemented the FIONREAD
ioctl call (good thing, too - really helps porting some programs!).