1. © 2012 Pearson Addison-Wesley. All rights reserved. Addison Wesley is an imprint of Chapter 3: Top-Down Design with Functions Problem Solving & Program Design in C Seventh Edition By Jeri R. Hanly & Elliot B. Koffman

2. 1-2 © 2012 Pearson Addison-Wesley. All rights reserved. 1-2 Figure 3.1 Edited Data Requirements and Algorithm for Conversion Program

3. 1-3 © 2012 Pearson Addison-Wesley. All rights reserved. 1-3 Figure 3.2 Outline of Program Circle

4. 1-4 © 2012 Pearson Addison-Wesley. All rights reserved. 1-4 Figure 3.3 Calculating the Area and the Circumference of a Circle

5. 1-5 © 2012 Pearson Addison-Wesley. All rights reserved. 1-5 Figure 3.3 Calculating the Area and the Circumference of a Circle (cont’d)

6. 1-6 © 2012 Pearson Addison-Wesley. All rights reserved. 1-6 Figure 3.4 Computing the Rim Area of a Flat Washer

7. 1-7 © 2012 Pearson Addison-Wesley. All rights reserved. 1-7 Figure 3.5 Flat Washer Program

8. 1-8 © 2012 Pearson Addison-Wesley. All rights reserved. 1-8 Figure 3.5 Flat Washer Program (cont’d)

9. 1-9 © 2012 Pearson Addison-Wesley. All rights reserved. 1-9 Figure 3.6 Function sqrt as a “Black Box”

10. 1-10 © 2012 Pearson Addison-Wesley. All rights reserved. 1-10 Figure 3.7 Square Root Program

11. 1-11 © 2012 Pearson Addison-Wesley. All rights reserved. 1-11 Figure 3.7 Square Root Program (cont’d)

12. 1-12 © 2012 Pearson Addison-Wesley. All rights reserved. 1-12 Figure 3.8 Triangle with Unknown Side a

13. 1-13 © 2012 Pearson Addison-Wesley. All rights reserved. 1-13 Figure 3.9 House and Stick Figure

14. 1-14 © 2012 Pearson Addison-Wesley. All rights reserved. 1-14 Figure 3.10 Structure Chart for Drawing a Stick Figure

15. 1-15 © 2012 Pearson Addison-Wesley. All rights reserved. 1-15 Figure 3.11 Function Prototypes and Main Function for Stick Figure

16. 1-16 © 2012 Pearson Addison-Wesley. All rights reserved. 1-16 Figure 3.12 Function draw_circle

17. 1-17 © 2012 Pearson Addison-Wesley. All rights reserved. 1-17 Figure 3.13 Function draw_triangle

18. 1-18 © 2012 Pearson Addison-Wesley. All rights reserved. 1-18 Figure 3.14 Program to Draw a Stick Figure

19. 1-19 © 2012 Pearson Addison-Wesley. All rights reserved. 1-19 Figure 3.14 Program to Draw a Stick Figure (cont’d)

20. 1-20 © 2012 Pearson Addison-Wesley. All rights reserved. 1-20 Figure 3.14 Program to Draw a Stick Figure (cont’d)

21. 1-21 © 2012 Pearson Addison-Wesley. All rights reserved. 1-21 Figure 3.15 Flow of Control Between the main Function and a Function Subprogram

22. 1-22 © 2012 Pearson Addison-Wesley. All rights reserved. 1-22 Figure 3.16 Function instruct and the Output Produced by a Call

23. 1-23 © 2012 Pearson Addison-Wesley. All rights reserved. 1-23 Figure 3.17 Lego ® Blocks

24. 1-24 © 2012 Pearson Addison-Wesley. All rights reserved. 1-24 Figure 3.18 Function print_rboxed and Sample Run

25. 1-25 © 2012 Pearson Addison-Wesley. All rights reserved. 1-25 Figure 3.18 Function print_rboxed and Sample Run (cont’d)

26. 1-26 © 2012 Pearson Addison-Wesley. All rights reserved. 1-26 Figure 3.19 Effect of Executing print_rboxed (135.68);

27. 1-27 © 2012 Pearson Addison-Wesley. All rights reserved. 1-27 Figure 3.20 Function with Input Arguments and One Result

28. 1-28 © 2012 Pearson Addison-Wesley. All rights reserved. 1-28 Figure 3.21 Functions find_circum and find_area

29. 1-29 © 2012 Pearson Addison-Wesley. All rights reserved. 1-29 Figure 3.22 Effect of Executing circum = find_circum (radius);

30. 1-30 © 2012 Pearson Addison-Wesley. All rights reserved. 1-30 Figure 3.23 Function scale

31. 1-31 © 2012 Pearson Addison-Wesley. All rights reserved. 1-31 Figure 3.24 Testing Function scale

32. 1-32 © 2012 Pearson Addison-Wesley. All rights reserved. 1-32 Figure 3.25 Data Areas After Call scale(num_1, num_2);

33. 1-33 © 2012 Pearson Addison-Wesley. All rights reserved. 1-33 Figure 3.26 Referencing pixels in a window

34. 1-34 © 2012 Pearson Addison-Wesley. All rights reserved. 1-34 Figure 3.27 Drawing intersecting lines

35. 1-35 © 2012 Pearson Addison-Wesley. All rights reserved. 1-35 Figure 3.28 Window drawn by lines.c

36. 1-36 © 2012 Pearson Addison-Wesley. All rights reserved. 1-36 Figure 3.29 Drawing a house

37. 1-37 © 2012 Pearson Addison-Wesley. All rights reserved. 1-37 Figure 3.30 House drawn by house.c

38. 1-38 © 2012 Pearson Addison-Wesley. All rights reserved. 1-38 Figure 3.31 Program to draw a happy face

39. 1-39 © 2012 Pearson Addison-Wesley. All rights reserved. 1-39 Figure 3.31 Program to draw a happy face (cont’d)

40. 1-40 © 2012 Pearson Addison-Wesley. All rights reserved. 1-40 Figure 3.32 Program to draw a happy face (cont’d)

41. 1-41 © 2012 Pearson Addison-Wesley. All rights reserved. 1-41 Figure 3.33 Painted house drawn by paintedHouse.c

42. 1-42 © 2012 Pearson Addison-Wesley. All rights reserved. 1-42 Figure 3.34 Program to paint a house

43. 1-43 © 2012 Pearson Addison-Wesley. All rights reserved. 1-43 Figure 3.34 Program to paint a house (cont’d)

44. 1-44 © 2012 Pearson Addison-Wesley. All rights reserved. 1-44 Figure 3.35 Pirate drawn by pirate.c

45. 1-45 © 2012 Pearson Addison-Wesley. All rights reserved. 1-45 Figure 3.36 Program to draw a pirate

46. 1-46 © 2012 Pearson Addison-Wesley. All rights reserved. 1-46 Figure 3.36 Program to draw a pirate (cont’d)