--- /dev/null
+#include <ccan/tcon/tcon.h>
+#include <stdlib.h>
+
+struct container {
+ void *p;
+};
+
+struct int_and_charp_container {
+ struct container raw;
+ TCON(int *tc1; char *tc2);
+};
+
+int main(int argc, char *argv[])
+{
+ struct int_and_charp_container icon;
+#ifdef FAIL
+#if !HAVE_TYPEOF
+#error We cannot detect type problems without HAVE_TYPEOF
+#endif
+ char *
+#else
+ int *
+#endif
+ x;
+
+ icon.raw.p = NULL;
+ x = tcon_cast(&icon, tc1, icon.raw.p);
+ return 0;
+}