uPDF with buttons

git-svn-id: svn://kolibrios.org@4680 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/media/updf/include/libc/unconst.h

@@ -0,0 +1,28 @@
+/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
+#ifndef __dj_include_libc_unconst_h__
+#define __dj_include_libc_unconst_h__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __dj_ENFORCE_ANSI_FREESTANDING
+
+#ifndef __STRICT_ANSI__
+
+#ifndef _POSIX_SOURCE
+
+#define unconst(__v, __t) __extension__ ({union { const __t __cp; __t __p; } __q; __q.__cp = __v; __q.__p;})
+
+#endif /* !_POSIX_SOURCE */
+#endif /* !__STRICT_ANSI__ */
+#endif /* !__dj_ENFORCE_ANSI_FREESTANDING */
+
+#ifndef __dj_ENFORCE_FUNCTION_CALLS
+#endif /* !__dj_ENFORCE_FUNCTION_CALLS */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __dj_include_libc_unconst_h__ */