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  1. #include<stdio.h>
  2. #include<string.h>
  3. int main()
  4. {
  5.    char str[30];
  6.    int i;
  7.    printf("enter the string: ");
  8.    scanf("%s",str);
  9.  
  10.    for(i=0;i<=strlen(str);i++){
  11.       if(str[i]>=65&&str[i]<=90)
  12.          str[i]=str[i]+32;
  13.    }
  14.    printf("\nlower case string: %s",str);
  15.    return 0;
  16. }
Success #stdin #stdout 0s 5464KB
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stdin
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ABCDEFGHIJKLMNOPQRSTUVWXYZ
stdout
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enter the string: 
lower case string: abcdefghijklmnopqrstuvwxyz
https://ideone.com/KbHv3W
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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