fortran+c

[Tim Prince]

or, using the default f2c-compatible underscore-appending, lower-casing, and
typedefing (f2c.h probably #includes g2c.h and may not be found in the standard
include directories on your system) :

#include "f2c.h"

struct {
    real a, b;
} block_;
Tim Prince
tprince@computer.org