/*--- Error handling ---*/
extern const char *guestfs_last_error (guestfs_h *g);
+#define LIBGUESTFS_HAVE_LAST_ERRNO 1
+extern int guestfs_last_errno (guestfs_h *g);
typedef void (*guestfs_error_handler_cb) (guestfs_h *g, void *opaque, const char *msg);
typedef void (*guestfs_abort_cb) (void) __attribute__((__noreturn__));