+void echo_TestSurrounding(echo_Surrounding *data)
+{
+ printf("Incoming array of size %d\n", data->x);
+ data->x *= 2;
+}
+
+short echo_TestDoublePointer(short ***data)
+{
+ if (!*data) {
+ return 0;
+ }
+ if (!**data) {
+ return 0;
+ }
+ printf("Incoming double pointer: %d\n", ***data);
+ return ***data;
+}
+