- off_t ret = __syscall_lseek(f->fd, off, whence);
- /* Detect unseekable files and optimize future failures out */
- if (ret < 0 && off == 0 && whence == SEEK_CUR)
- f->seek = retneg1;
+ off_t ret;
+#ifdef SYS__llseek
+ if (syscall(SYS__llseek, f->fd, off>>32, off, &ret, whence)<0)
+ ret = -1;
+#else
+ ret = syscall(SYS_lseek, f->fd, off, whence);
+#endif