You are correct. This is briefly mentioned on https://www.bell-labs.com/usr/dmr/www/chist.html https://www.bell-labs.com/usr/dmr/www/chist.html: > While [the f

You are correct. This is briefly mentioned on https://www.bell-labs.com/usr/dmr/www/chist.html https://www.bell-labs.com/usr/dmr/www/chist.html: > While [the first edition of K&R] foreshadowed the newer approach to structures, only after it was published did the language support assigning them, passing them to and from functions, [...]