This document discusses implementing the itoa function, which converts an integer to a string. It provides examples of converting integers like 246, +123, and 23a7 to their string representations. The key steps are: getting each digit of the integer, converting each digit to a character, reversing the characters, and returning the string. Implementing itoa requires an understanding of functions and pointers. Sample code execution and prerequisites like functions and pointers are also outlined.

1. Team Emertxe
Strings and Storage
Classes

2. Assignment 4

3. Assignment 4

4. Assignment 4
WAP to implement itoa function

5. Assignment 4
WAP to implement itoa function
Input:

6. Assignment 4
WAP to implement itoa function
Input: Read the String

7. Assignment 4
WAP to implement itoa function
Input: Read the String
Output:

8. Assignment 4
WAP to implement itoa function
Input: Read the String
Output: ‘itoa()’ function should convert the integer
number into string.

9. Assignment 4
Example’s:
 Input: 246
Output: “246”

10. Assignment 4
Example’s:
itoa() “246”
246
Integer String

11. Assignment 4
How to implement itoa function?
 Input: 246
2 4 6
integer

12. Assignment 4
How to implement itoa function?
 Input: 246
2 4 6
integer
246
str
?

13. Assignment 4
How to implement itoa function?
 Get each digit from the input
integer 2 4 6
6 4 2

14. Assignment 4
How to implement itoa function?
 Convert each digit to character
2 4 6
6 4 2
integer
?
str 6

15. Assignment 4
How to implement itoa function?
 Convert each digit to character
2 4 6
6 4 2
integer
str 6
? ?
4

16. Assignment 4
How to implement itoa function?
 Convert each digit to character
2 4 6
6 4 2
integer
str 6
? ?
4
?
2

17. Assignment 4
How to implement itoa function?
 Reverse the characters
2 4 6
6 4 2
integer
str
6
? ?
4
?
2
246
Reverse the
characters

18. Assignment 4
Example’s:
 Input: +123
Output: “123”

19. Assignment 4
Example’s:
itoa() “123”
+123
Integer String

20. Assignment 4
How to implement itoa function?
 Input: +123
+ 1 2 3
integer

21. Assignment 4
How to implement itoa function?
 Input: +123
+ 1 2 3
integer
123
str
?

22. Assignment 4
How to implement itoa function?
 Get each digit from the input
integer + 1 2 3
3 2 1

23. Assignment 4
How to implement itoa function?
 Convert each digit to character
+ 1 2 3
3 2 1
integer
?
str 3

24. Assignment 4
How to implement itoa function?
 Convert each digit to character
+ 1 2 3
3 2 1
integer
str 3
? ?
2

25. Assignment 4
How to implement itoa function?
 Convert each digit to character
+ 1 2 3
3 2 1
integer
str 3
? ?
2
?
1

26. Assignment 4
How to implement itoa function?
 Reverse the characters
+ 1 2 3
3 2 1
integer
str
3
? ?
2
?
1
123
Reverse the
characters

27. Assignment 4
Example’s:
 Input: 23a7
Output: “23”

28. Assignment 4
Example’s:
itoa() “23”
23a7
Integer String

29. Assignment 4
How to implement itoa function?
 Input: 23a7
2 3 a 7
integer

30. Assignment 4
How to implement itoa function?
 Input: 23a7
2 3 a 7
integer
23
str
?

31. Assignment 4
How to implement itoa function?
 Get each digit from the input
integer 2 3 a 7
3 2

32. Assignment 4
How to implement itoa function?
 Convert each digit to character
2 3 a 7
3 2
integer
?
str 3

33. Assignment 4
How to implement itoa function?
 Convert each digit to character
2 3 a 7
integer
str 3
? ?
2
3 2

34. Assignment 4
How to implement itoa function?
 Reverse the characters
2 3 a 7
integer
str 23
Reverse the
characters
3 2
3
? ?
2

35. Assignment 4
Sample execution:-

36. Assignment 4
Sample execution:-

37. Assignment 4
Sample execution:-

38. Assignment 4
Sample execution:-

39. Assignment 4
Pre-requisites:-

40. Assignment 4
Pre-requisites:-
⮚Functions

41. Assignment 4
Pre-requisites:-
⮚Functions
⮚Pointers

42. Assignment 4
Pre-requisites:-
⮚Functions
⮚Pointers
Objective:-

43. Assignment 4
Pre-requisites:-
⮚Functions
⮚Pointers
Objective:-
To understand the concept of
⮚Functions

44. Assignment 4
Pre-requisites:-
⮚Functions
⮚Pointers
Objective:-
To understand the concept of
⮚Functions
⮚Pointers

45. Team Emertxe
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