built-in functions for ntcas
DESCRIPTION
Built-in Functions for NTCAs. strlen. char array[10 ] = “Hello”; int length = strlen (array); coutTRANSCRIPT
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Built-in Functions for NTCAs
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strlen char array[10] = “Hello”; int length = strlen(array); cout << length;
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strlen char array[10] = “Hello”; int length = strlen(array); cout << length;
h e l l o \0 ? ? ? ?
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strlen char array[10] = “Hello”; int length = strlen(array); cout << length;
h e l l o \0 ? ? ? ?
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5
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strcpy char source[10] = “Hey”; char target[10] = “Boy Howdy”; strcpy(target, source);
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strcpy char source[10] = “Hey”; char target[10] = “Boy Howdy”; strcpy(target, source);
h e y \0 ? ? ? ? ? ?
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source:
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strcpy char source[10] = “Hey”; char target[10] = “Boy Howdy”; strcpy(target, source);
h e y \0 ? ? ? ? ? ?
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source:
B o y H o w d y \0
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target:
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strcpy char source[10] = “Hey”; char target[10] = “Boy Howdy”; strcpy(target, source);
h e y \0 ? ? ? ? ? ?
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source:
h e y \0 H o w d y \0
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target:
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strcpy ... strcpy(target, “Hi”); strcpy(target, “BurritoToppings”;
H i \0 \0 H o w d y \0
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target:
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strcpy ... strcpy(target, “Hi”); strcpy(target, “BurritoToppings”;
B u r r i t o T o p
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target:
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strcat char source[10] = “There”; char target[10] = “Hi”; strcat(target, source);
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strcat char source[10] = “There”; char target[10] = “Hi”; strcat(target, source);
T h e r e \0 ? ? ? ?
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source:
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strcat char source[10] = “There”; char target[10] = “Hi”; strcat(target, source);
T h e r e \0 ? ? ? ?
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source:
H i \0 ? ? ? ? ? ? ?
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target:
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strcat char source[10] = “There”; char target[10] = “Hi”; strcat(target, source);
T h e r e \0 ? ? ? ?
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source:
H i T h e r e \0 ? ?
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target:
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strcat ... strcat(target, “!!”); strcat(target, “!”);
H i T h e r e \0 ? ?
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target:
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strcat ... strcat(target, “!!”); strcat(target, “!”);
H i T h e r e ! ! \0
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target:
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strcat ... strcat(target, “!!”); strcat(target, “!”);
H i T h e r e ! ! !
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target:
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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;
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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;
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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;
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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;
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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;
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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;
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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;
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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;
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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;
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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;
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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;
Take Note!
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Dangers char source[10] = “Walk This Way”; char target[15]; strcpy(target, source); strcat(target, source);
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Also Available strncpy strncmp strncat
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End of Session