_IO_off64_t offset; int dir;
void *data; _IO_size_t n;
INTDEF(_IO_file_read)_IO_off64_t_IO_file_seek (fp, offset, dir)     _IO_FILE *fp;     _IO_off64_t offset;     int dir;{#ifdef _G_LSEEK64  return _G_LSEEK64 (fp->_fileno, offset, dir);#else  return lseek (fp->_fileno, offset, dir);#endif}