*** libtiff/tiffcomp.h.orig	Fri Sep 30 03:01:28 1994
--- libtiff/tiffcomp.h	Wed Oct  4 04:23:03 1995
***************
*** 78,83 ****
--- 78,84 ----
  #define	L_INCR	SEEK_CUR
  #define	L_XTND	SEEK_END
  #endif /* defined(SYSV) || defined(VMS) */
+ #include <unistd.h>
  #ifndef L_SET
  #define L_SET	0
  #define L_INCR	1
