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+                //Programming Example 9.12
+            //passing a variable along with an array to the function
+
+a = 1;            //global variable
+
+function[] = main()
+    b = 2;            //local variable
+    printf("\nFrom main, before calling the function: \n");
+    printf("a = %d        b = %d\n", a, b);
+    for count = 1:3
+        c(count) = 10*(count+1);
+        printf("c[%d] = %d\n", count, c(count));
+    end
+
+    c=modify(b,c);
+    printf("\n From main, after calling the function: \n ");
+    printf("a = %d        b = %d\n", a, b);
+    for count =1:3
+        printf("c[%d] = %d\n", count, c(count));
+    end
+endfunction
+
+function[c] = modify(b,c)        //function definition
+    printf("\n From the function, after modifying the values: \n");
+    a=-999;
+    b=-999;
+    printf("a = %d        b = %d\n", a, b);
+    for count =1:3
+        c(count)=-9;
+        printf("c[%d] = %d\n", count, c(count));
+    end
+    return c;
+endfunction
+
+//calling main()
+funcprot(0);
+main();
+\ No newline at end of file