On Thu, Nov 29, 2007 at 06:27:06PM -0500, Michael Meissner wrote: > On Fri, Nov 30, 2007 at 12:17:25AM +0100, Andreas Schwab wrote: > > "Michael Meissner" <[EMAIL PROTECTED]> writes: > > > > > These system calls are part of the Opengroup standard for UNIX (which > > > Linux > > > adheres to), and they have been around for many years. At this point, I > > > don't > > > recall if they were part of the UNIX V7 that is the ancestor of all modern > > > Linux, UNIX, BSD, etc. systems or whether they first appeared in System > > > III or > > > BSD 4.2 (early 1980's). > > > > According to <http://www.freebsd.org/cgi/man.cgi> they were already in > > V7. > > At this stage of the game, it doesn't matter, since they have been around at > least 20 years. However, I didn't think the environment varient of the > functions (and main's arguments) was added until after V7. > > > (I don't think V7 had <varargs.h> yet.)
The V7 sources have been freed and are online, so we don't have to rely on memory. Yes, V7 had varargs.h, it is at http://minnie.tuhs.org/UnixTree/V7/usr/include/varargs.h.html
