source: doc/papers/concurrency/examples/Fib.c@ 04db9f6

#include <stdio.h>

typedef struct {
        int fn1, fn;
} Fib;

#define FibCtor { 1, 0 }

int fib( Fib * f ) {
        int fn = f->fn; f->fn = f->fn1;
                f->fn1 = f->fn + fn;
        return fn;
}
int main() {
        Fib f1 = FibCtor, f2 = FibCtor;
        for ( int i = 0; i < 10; i += 1 ) {
                printf( "%d %d\n", fib( &f1 ), fib( &f2 ) );
        }
}

// Local Variables: //
// tab-width: 4 //
// compile-command: "gcc Fib.c" //
// End: //