Avoid referencing <sys/cdefs.h> and __{BEGIN,END}_DECLS.

Based on Theo Schlossnagle's Solaris portability patch.


git-svn-id: http://www.varnish-cache.org/svn/trunk@1783 d4fa192b-c00b-0410-8231-f00ffab90ce4

include/compat/vis.h

@@ -71,15 +71,17 @@
  */
 #define	UNVIS_END	1	/* no more characters */
 
-#include <sys/cdefs.h>
-
-__BEGIN_DECLS
+#ifdef __cplusplus
+extern "C" {
+#endif
 char	*vis(char *, int, int, int);
 int	strvis(char *, const char *, int);
 int	strvisx(char *, const char *, size_t, int);
 int	strunvis(char *, const char *);
 int	strunvisx(char *, const char *, int);
 int	unvis(char *, int, int *, int);
-__END_DECLS
+#ifdef __cplusplus
+};
+#endif
 
 #endif /* !_VIS_H_ */

include/vsb.h

@@ -50,7 +50,9 @@ struct vsb {
 	int		 s_flags;	/* flags */
 };
 
-__BEGIN_DECLS
+#ifdef __cplusplus
+extern "C" {
+#endif
 /*
  * API functions
  */
@@ -73,6 +75,8 @@ char		*vsb_data(struct vsb *);
 int		 vsb_len(struct vsb *);
 int		 vsb_done(struct vsb *);
 void		 vsb_delete(struct vsb *);
-__END_DECLS
+#ifdef __cplusplus
+};
+#endif
 
 #endif