Something

typedf struct temp
{
  int gv;
  int rr;
  int ar;
  int ri;
  int zw;
  int zwcl;
};

----------------------

void jahr::speichern(FILE *fe)

{
  temp foo;
foo.gv = this->gv;
foo.rr = this->rr;
foo.ar = this->ar
//usw
    fwrite(&foo,sizeof(temp),1 ,fe); 

}