1. Null-Terminated Character Arrays

2. Character Arrays
char my_array[10];

3. NULL-TERMINATED
char array1[10] = {‘c’,’u’,’p’}; char array2[10] = “cup”;
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[9] c u p ? ? ? ? ? ? ?
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[9] c u p \0 ? ? ? ? ? ?

4. NULL-TERMINATED
char array1[10] = {‘c’,’u’,’p’}; char array2[10] = “cup”;
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[9] c u p ? ? ? ? ? ? ?
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[9] c u p \0 ? ? ? ? ? ?

5. NULL-TERMINATED
char name[10]; cout << “enter name: “; cin >> name; cout << name;

6. NULL-TERMINATED
char name[10]; cout << “enter name: “; cin >> name; cout << name;
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7. NULL-TERMINATED
char name[10]; cout << “enter name: “; cin >> name; // user inputs Ahmed cout << name;
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8. NULL-TERMINATED
char name[10]; cout << “enter name: “; cin >> name; // user inputs Ahmed cout << name;
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[9] A h m e d \0 ? ? ? ?

9. NULL-TERMINATED
char name[10]; cout << “enter name: “; cin >> name; cout << name; //Ahmed is displayed
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10. NULL-TERMINATED
char name[10]; cout << “enter name: “; cin >> name; // user inputs Jo Ann cout << name;
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11. NULL-TERMINATED
char name[10]; cout << “enter name: “; cin >> name; // user inputs Jo Ann cout << name;
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[9] J o \0 ? ? ? ? ? ? ?

12. NULL-TERMINATED
char name[10]; cout << “enter name: “; cin >> name; cout << name; //Jo is displayed
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[9] J o \0 ? ? ? ? ? ? ?

13. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
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[9] A h m e d \0 ? ? ? ?

14. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 0
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[9] A h m e d \0 ? ? ? ?

15. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 0
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16. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 1
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17. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 1
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18. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 2
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19. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 2
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20. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 3
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21. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 3
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22. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 4
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23. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 4
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24. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 5
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25. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 5
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26. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. long string_length (const char ntca[]) { long length = 0; while (ntca[length] != ‘\0’) length++; return length; }
length = 5
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27. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = i=
output buffer=
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28. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5 i=
output buffer=
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29. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5
i=4
output buffer=
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30. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5
i=4
output buffer=d
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31. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5
i=3
output buffer=d
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32. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5
i=3
output buffer=de
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33. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5
i=2
output buffer=de
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34. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5
i=2
output buffer=dem
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35. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5
i=1
output buffer=dem
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36. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5
i=1
output buffer=demh
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37. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5
i=0
output buffer=demh
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38. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5
i=0
output buffer=demhA
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39. Using the Null-Terminating Character
// Pre: char array must have null character at the end of data. void print_reverse (const char ntca[]) { long length = string_length(ntca); for (long i = length-1; i >= 0; i--) cout<<ntca[i]; return; }
length = 5
i=-1
output buffer=demhA
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40. Forbidden Acts
char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

41. Forbidden Acts
char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

42. Forbidden Acts
char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

43. Forbidden Acts
char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

44. Forbidden Acts
char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

45. Forbidden Acts
char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

46. Forbidden Acts
char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

47. Forbidden Acts
char ntca[10]; ntca = “bob”; char ntca1[10] = “Bob”; char ntca2[10] = “Robert”; if (ntca1 == ntca2)

48. End of Session