Availability of f2c—a Fortran to C converter
Stuart I. Feldman, David Michael Gay, Mark W. Maimone, N. L. Schryer · ACM SIGPLAN Fortran Forum · 1991
We have produced a program that automatically converts ANSI standard Fortran 77 [1] to C [8]. It has converted many Fortran programs without manual intervention; it is easily available --- free of charge (and of warranty) --- by electronic mail and ftp.