return __pread64 (fd, buf, offset, nbytes);
return __pread64 (fd, buf, nbytes, offset);
__pread64_chk (int fd, void *buf, size_t nbytes, off64_t offset, size_t buflen){  if (nbytes > buflen)    __chk_fail ();  return __pread64 (fd, buf, offset, nbytes);}