If we really want to use off_t in this file (instead of cab_off_t) we need to #include sys/types.h, or we'll break non-Linux systems. Gerald ChangeLog: #include <sys/types.h> to obtain off_t. Index: cabextract.c =================================================================== RCS file: /home/wine/wine/dlls/cabinet/cabextract.c,v retrieving revision 1.1 diff -u -3 -p -r1.1 cabextract.c --- cabextract.c 19 Dec 2002 21:16:56 -0000 1.1 +++ cabextract.c 26 Dec 2002 20:46:46 -0000 @@ -29,6 +29,7 @@ #include "config.h" #include <stdlib.h> +#include <sys/types.h> #include "windef.h" #include "winbase.h"