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education/software development/ECE1400/Chapter 17 Exercises.md

@@ -38,4 +38,10 @@ for (p = first; p != NULL; p = p->next)
 	free(p);
 ```
 
-The above loop won't function because it deallocates an entry, resulting
+The above loop won't function because it deallocates the entry, then attempts to access the pointer to the next item, *after* it's already been freed.
+
+A functional example might look like this:
+```c
+struct entry* p = first;
+
+```