fseeko64
(void) fseeko64(qf, (offset_t)dqoff(uid), 0);
if (fseeko64(f, off, SEEK_SET) != 0)
fseeko64(iof, mid, 0);
#define fseeko fseeko64
extern int fseeko64(FILE *, off64_t, int);
(void) fseeko64(fd, start, SEEK_SET);
(void) fseeko64(ifp, off, SEEK_SET);