iso9660.h, iso9660_fs.c: Add iso9660_ifs_is_xa() a routine to

determine if an iso image has XA attributes.

bytesex.h and bytesex_asm.h are now public. (Down the line should use
glib though.) Package  has been revised to the move.

iso-info.c: shows XA attributes what that it is available.

include/cdio/iso9660.h

@@ -1,5 +1,5 @@
 /*
-    $Id: iso9660.h,v 1.49 2004/10/10 20:36:10 rocky Exp $
+    $Id: iso9660.h,v 1.50 2004/10/22 01:13:38 rocky Exp $
 
     Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
     Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
@@ -664,6 +664,12 @@ iso9660_set_pvd (void *pd, const char volume_id[], const char application_id[],
 void 
 iso9660_set_evd (void *pd);
 
+/*!
+  Return true if ISO 9660 image has extended attrributes (XA).
+*/
+bool iso9660_ifs_is_xa (const iso9660_t * p_iso);
+
+
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */