refactoring: implement new variables and comments in requestLoan.c and requestLoan.h

src/requestLoan.c

@@ -1,27 +1,24 @@
 #include "requestLoan.h"
-int allow()
+
+int allow()    //int allow() is helpful for indirectly testing void requestLoan()
 {
     if (a == 1)
     {
         return 1;
     }
-    else
-    {
-        return 0;
-    }
 }
 
 
 void requestLoan()
 {
-    if (allow() == 1)
+    if (allow() == 1)      //only if int allow() returns 1, void requestLoan() will display the desired output
     {
         printf("			Please select a loan Package: \n");
         printf("                                          \n");
         printf("                                          \n");
-	printf("                                 1000 Euro\n");
-	printf("                                 2500 Euro\n");
-	printf("                                 5000 Euro\n");
+        printf("                                 %d %s\n", option1, currency);
+        printf("                                 %d %s\n", option2, currency);
+        printf("                                 %d %s\n", option3, currency);
     }
 }
 

src/requestLoan.h

@@ -3,8 +3,13 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+
 void requestLoan();
 int allow();
-const int a = 1;
+const int a = 1;                //a is a constant used for indirectly testing void requestLoan()
+char currency[] = "Euro";
+int option1 = 1000;
+int option2 = 2500;
+int option3 = 5000;
 
 #endif // REQUESTLOAN_H