f2c is a program to convert Fortran 77 to C code, developed at Bell Laboratories.
conda install conda-forge::f2c
conda install conda-forge/label/broken::f2c
conda install conda-forge/label/cf201901::f2c
conda install conda-forge/label/cf202003::f2c
conda install conda-forge/label/gcc7::f2c
The standalone f2c program was based on the core of the first complete Fortran 77 compiler to be implemented, the "f77" program by Feldman and Weinberger.