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  1. #include <stdio.h>
  2.  
  3. void capitalize(char *str)
  4. {
  5.     for (int i = 0; str[i] != '\0'; ++i) { // Here we check for the end condition of a string.
  6.                                            // ie. Has the Null termination been reached?
  7.        if (str[i] >= 'a' && str[i] <= 'z') {
  8.           str[i] = str[i] - ('a' - 'A');
  9.        }
  10.     }
  11. }
  12.  
  13. void strCopy(char *str2, char *str1)
  14. {
  15.     while (*str2) {
  16.       *str1 = *str2;
  17.       str2++;
  18.       str1++;
  19.    }
  20.    *str1 = '\0';
  21. }
  22.  
  23. int main(int argc, char **argv)
  24. {
  25.     char string1[100] = "This is a really long string!";
  26.     char string2[100];
  27.     strCopy(string1,string2);
  28.     capitalize(string2);
  29.     printf("The original string is \"%s\"\n", string1);
  30.     printf("The capitalized string is \"%s\"\n", string2);
  31. }
Success #stdin #stdout 0s 2156KB
comments (?)
stdin
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Standard input is empty
stdout
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The original string is "This is a really long string!"
The capitalized string is "THIS IS A REALLY LONG STRING!"
https://ideone.com/zWFf4T
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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