It came into C89 from C++, along with all the function prototype stuff, just as Joel said.
I no longer have all the paper drafts from the initial ANSI C effort but I remember this quite well. Arnold fge...@gmail.com wrote: > Thanks for the guess! > Since I could not directly find this information, at the moment I am > trying to find when ... was introduced. I hope to find a hint during > this search. > > On Wed, Oct 16, 2013 at 6:21 AM, Joel C. Salomon <joelcsalo...@gmail.com> > wrote: > > On Mon, Oct 14, 2013 at 5:40 PM, Gergő Födémesi <fge...@gmail.com> wrote: > >> Who invented ... notation in c? > >> I'll appreciate any hints. > > > > I'd guess this comes from C++, along with all function prototypes. > > > > --Joel