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education/software development/ECE1400/Chapter 14 Exercises.md

@@ -14,3 +14,26 @@
 ---
 
 > **13.** Show what the following program will look like after preprocessing. You may ignore any lines added to the program as a result of including the `<stdio.h>` header. 
+
+```c
+#include <stdio.h>
+
+int main(void)
+{
+	f();
+	
+}
+
+ void f(void) {
+	printf("N is %d\n", 100);
+ }
+```
+
+---
+
+> **15.** Suppose that a program needs to display  messages in either English, French, or Spanish. Using conditional compilation, write a program fragment that displays one of the following three messages, depending on whether or not the specified macro is defined.
+
+```c
+
+
+```