Make some minor source adjustments so that we don not need to use

-D_XOPEN_SOURCE -D_BSD_SOURCE everywhere as this will leak out of the
    modular environment and into application build processes, potentially
    foulling up their compiles.

Xfuncs.h

@@ -1,5 +1,5 @@
 /*
- * $XdotOrg: xc/include/Xfuncs.h,v 1.1.4.2 2003/12/20 00:28:21 kaleb Exp $
+ * $XdotOrg: xc/include/Xfuncs.h,v 1.2 2004/04/23 18:43:05 eich Exp $
  * $Xorg: Xfuncs.h,v 1.4 2001/02/09 02:03:22 xorgcvs Exp $
  * 
  * 

Xos.h

@@ -1,5 +1,5 @@
 /*
- * $XdotOrg: xc/include/Xos.h,v 1.3 2004/11/15 15:06:53 ago Exp $
+ * $XdotOrg: xc/include/Xos.h,v 1.4 2005/01/03 18:03:49 eich Exp $
  * $Xorg: Xos.h,v 1.6 2001/02/09 02:03:22 xorgcvs Exp $
  * 
  * 
@@ -57,7 +57,17 @@ in this Software without prior written authorization from The Open Group.
 #include <sys/types.h>
 #define _POSIX_SOURCE
 #else
-#include <sys/types.h>
+/*
+ * Make sure _XOPEN_SOURCE is defined before including sys/select.h
+ * so that we get fds_bits in fd_set instead of __fds_bits
+ */
+# ifndef _XOPEN_SOURCE
+#  define _XOPEN_SOURCE
+#  include <sys/types.h>
+#  undef _XOPEN_SOURCE
+# else
+#  include <sys/types.h>
+# endif
 #endif
 #endif /* USG */
 

Xos_r.h

@@ -1,5 +1,5 @@
 /* $Xorg: Xos_r.h,v 1.4 2001/02/09 02:03:22 xorgcvs Exp $ */
-/* $XdotOrg: $ */
+/* $XdotOrg: xc/include/Xos_r.h,v 1.4 2005/03/02 19:29:31 alanc Exp $ */
 /*
 Copyright 1996, 1998  The Open Group
 

Xosdefs.h

@@ -1,7 +1,7 @@
 /*
  * O/S-dependent (mis)feature macro definitions
  *
- * $XdotOrg: xc/include/Xosdefs.h,v 1.2 2004/04/23 18:43:05 eich Exp $
+ * $XdotOrg: xc/include/Xosdefs.h,v 1.3 2005/04/28 22:04:12 alanc Exp $
  * $Xorg: Xosdefs.h,v 1.5 2001/02/09 02:03:23 xorgcvs Exp $
  *
 Copyright 1991, 1998  The Open Group