> Ritchie relaxed the definition-before-use rule by allowing > redundant declarations of procedure headings. At the > expense of a redundant advance declara

> Ritchie relaxed the definition-before-use rule by allowing > redundant declarations of procedure headings. At the > expense of a redundant advance declaration the programmer > can define mutually recursive procedures in C. Point of order: C didn't have a declaration-before-use rule until C99. C had ‘implicit int’; no redundant declarations necessary.