1 / 32

Built-in Functions for NTCAs

Built-in Functions for NTCAs. strlen. char array[10 ] = “Hello”; int length = strlen (array); cout << length;. strlen. [0]. [1]. [2]. [3]. [4]. [5]. [6]. [7]. [8]. [9]. h. e. l. l. o. . ?. ?. ?. ?. char array[10 ] = “Hello”; int length = strlen (array);

sora
Download Presentation

Built-in Functions for NTCAs

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Built-in Functions for NTCAs

  2. strlen char array[10] = “Hello”; int length = strlen(array); cout << length;

  3. strlen [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] h e l l o \0 ? ? ? ? char array[10] = “Hello”; int length = strlen(array); cout << length;

  4. strlen [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] h e l l o \0 ? ? ? ? char array[10] = “Hello”; int length = strlen(array); cout << length;

  5. 5

  6. strcpy char source[10] = “Hey”; char target[10] = “Boy Howdy”; strcpy(target, source);

  7. strcpy [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] h e y \0 ? ? ? ? ? ? source: char source[10] = “Hey”; char target[10] = “Boy Howdy”; strcpy(target, source);

  8. strcpy [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] h e y \0 ? ? ? ? ? ? source: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] B o y H o w d y \0 target: char source[10] = “Hey”; char target[10] = “Boy Howdy”; strcpy(target, source);

  9. strcpy [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] h e y \0 ? ? ? ? ? ? source: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] h e y \0 H o w d y \0 target: char source[10] = “Hey”; char target[10] = “Boy Howdy”; strcpy(target, source);

  10. strcpy [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] H i \0 \0 H o w d y \0 target: ... strcpy(target, “Hi”); strcpy(target, “BurritoToppings”;

  11. strcpy [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] B u r r i t o T o p target: ... strcpy(target, “Hi”); strcpy(target, “BurritoToppings”;

  12. strcat char source[10] = “There”; char target[10] = “Hi”; strcat(target, source);

  13. strcat [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] T h e r e \0 ? ? ? ? source: char source[10] = “There”; char target[10] = “Hi”; strcat(target, source);

  14. strcat [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] T h e r e \0 ? ? ? ? source: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] H i \0 ? ? ? ? ? ? ? target: char source[10] = “There”; char target[10] = “Hi”; strcat(target, source);

  15. strcat [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] T h e r e \0 ? ? ? ? source: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] H i T h e r e \0 ? ? target: char source[10] = “There”; char target[10] = “Hi”; strcat(target, source);

  16. strcat [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] H i T h e r e \0 ? ? target: ... strcat(target, “!!”); strcat(target, “!”);

  17. strcat [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] H i T h e r e ! ! \0 target: ... strcat(target, “!!”); strcat(target, “!”);

  18. strcat [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] H i T h e r e ! ! ! target: ... strcat(target, “!!”); strcat(target, “!”);

  19. strcmp char ntca1[20] = “bob”; char ntca2[20] = “bob”; char ntca3[20] = “Bob”; cout<<strcmp(ntca1, ntca2); cout<<strcmp(ntca1, ntca3); cout<<strcmp(ntca3, ntca1); cout<<strcmp(ntca1, “bobby”); if (!(strcmp(ntca1, ntca2)) cout<<”these strings are identical”<<endl; else cout<<”these strings are different”<<endl;

  20. strcmp char ntca1[20] = “bob”; char ntca2[20] = “bob”; char ntca3[20] = “Bob”; cout<<strcmp(ntca1, ntca2); cout<<strcmp(ntca1, ntca3); cout<<strcmp(ntca3, ntca1); cout<<strcmp(ntca1, “bobby”); if (!(strcmp(ntca1, ntca2)) cout<<”these strings are identical”<<endl; else cout<<”these strings are different”<<endl;

  21. strcmp char ntca1[20] = “bob”; char ntca2[20] = “bob”; char ntca3[20] = “Bob”; cout<<strcmp(ntca1, ntca2); // 0 cout<<strcmp(ntca1, ntca3); cout<<strcmp(ntca3, ntca1); cout<<strcmp(ntca1, “bobby”); if (!(strcmp(ntca1, ntca2)) cout<<”these strings are identical”<<endl; else cout<<”these strings are different”<<endl;

  22. strcmp char ntca1[20] = “bob”; char ntca2[20] = “bob”; char ntca3[20] = “Bob”; cout<<strcmp(ntca1, ntca2); // 0 cout<<strcmp(ntca1, ntca3); cout<<strcmp(ntca3, ntca1); cout<<strcmp(ntca1, “bobby”); if (!(strcmp(ntca1, ntca2)) cout<<”these strings are identical”<<endl; else cout<<”these strings are different”<<endl;

  23. strcmp char ntca1[20] = “bob”; char ntca2[20] = “bob”; char ntca3[20] = “Bob”; cout<<strcmp(ntca1, ntca2); // 0 cout<<strcmp(ntca1, ntca3); // 1 cout<<strcmp(ntca3, ntca1); cout<<strcmp(ntca1, “bobby”); if (!(strcmp(ntca1, ntca2)) cout<<”these strings are identical”<<endl; else cout<<”these strings are different”<<endl;

  24. strcmp char ntca1[20] = “bob”; char ntca2[20] = “bob”; char ntca3[20] = “Bob”; cout<<strcmp(ntca1, ntca2); // 0 cout<<strcmp(ntca1, ntca3); // 1 cout<<strcmp(ntca3, ntca1); // -1 cout<<strcmp(ntca1, “bobby”); if (!(strcmp(ntca1, ntca2)) cout<<”these strings are identical”<<endl; else cout<<”these strings are different”<<endl;

  25. strcmp char ntca1[20] = “bob”; char ntca2[20] = “bob”; char ntca3[20] = “Bob”; cout<<strcmp(ntca1, ntca2); // 0 cout<<strcmp(ntca1, ntca3); // 1 cout<<strcmp(ntca3, ntca1); // -1 cout<<strcmp(ntca1, “bobby”); if (!(strcmp(ntca1, ntca2)) cout<<”these strings are identical”<<endl; else cout<<”these strings are different”<<endl;

  26. strcmp char ntca1[20] = “bob”; char ntca2[20] = “bob”; char ntca3[20] = “Bob”; cout<<strcmp(ntca1, ntca2); // 0 cout<<strcmp(ntca1, ntca3); // 1 cout<<strcmp(ntca3, ntca1); // -1 cout<<strcmp(ntca1, “bobby”); // -1 if (!(strcmp(ntca1, ntca2)) cout<<”these strings are identical”<<endl; else cout<<”these strings are different”<<endl;

  27. strcmp char ntca1[20] = “bob”; char ntca2[20] = “bob”; char ntca3[20] = “Bob”; cout<<strcmp(ntca1, ntca2); // 0 cout<<strcmp(ntca1, ntca3); // 1 cout<<strcmp(ntca3, ntca1); // -1 cout<<strcmp(ntca1, “bobby”); // -1 if (!(strcmp(ntca1, ntca2)) cout<<”these strings are identical”<<endl; else cout<<”these strings are different”<<endl;

  28. strcmp char ntca1[20] = “bob”; char ntca2[20] = “bob”; char ntca3[20] = “Bob”; cout<<strcmp(ntca1, ntca2); // 0 cout<<strcmp(ntca1, ntca3); // 1 cout<<strcmp(ntca3, ntca1); // -1 cout<<strcmp(ntca1, “bobby”); // -1 if (!(strcmp(ntca1, ntca2)) cout<<”these strings are identical”<<endl; else cout<<”these strings are different”<<endl;

  29. strcmp Take Note! char ntca1[20] = “bob”; char ntca2[20] = “bob”; char ntca3[20] = “Bob”; cout<<strcmp(ntca1, ntca2); // 0 cout<<strcmp(ntca1, ntca3); // 1 cout<<strcmp(ntca3, ntca1); // -1 cout<<strcmp(ntca1, “bobby”); // -1 if (!(strcmp(ntca1, ntca2)) cout<<”these strings are identical”<<endl; else cout<<”these strings are different”<<endl;

  30. Dangers char source[10] = “Walk This Way”; char target[15]; strcpy(target, source); strcat(target, source);

  31. Also Available strncpy strncmp strncat

  32. End of Session

More Related