_ios_fields
class ios : public _ios_fields {
_ios_fields *vb; /* pointer to virtual base class ios */
_ios_fields *vb; /* pointer to virtual base class ios */
_ios_fields base;
char filler[sizeof(struct istream)-sizeof(struct _ios_fields)+PAD];
_ios_fields *vb; /* pointer to virtual base class ios */
_ios_fields base;
char filler[sizeof(struct ostream)-sizeof(struct _ios_fields)+PAD];