RATional FORTRAN. Kernighan. FORTRAN preprocessor to allow programming with C-like control flow. Mainly of historical significance.
["Ratfor - A Preprocessor for a Rational Fortran", B.W. Kernighan, Soft Prac & Exp 5:395-406 (Oct 1975)].
[Software Tools, B.W. Kernighan & P.J. Plauger, A-W 1976].
A translator from Ratfor to Fortran IV was posted to comp.sources.Unix volume 13.
["Ratfor - A Preprocessor for a Rational Fortran", B.W. Kernighan, Soft Prac & Exp 5:395-406 (Oct 1975)].