fork download 
  1. #include <stdio.h>
  2.  
  3. void upper_to_lower(char s[]) {   
  4.     int c = 0;
  5.     int shouldConvert = 0;
  6.     while (s[c] != '\0') {
  7.         if (s[c] >= 'A' && s[c] <= 'Z') {
  8.             if (shouldConvert) {
  9.                 s[c] += 'a'-'A';
  10.             } else {
  11.                 shouldConvert = 1;
  12.             }
  13.         } else {
  14.             shouldConvert = 0;
  15.         }
  16.         c++;
  17.     }
  18. }
  19.  
  20. int main() {
  21.     char text[100];
  22.  
  23.     printf("Text\n");
  24.     fgets(text, 99, stdin);
  25.     upper_to_lower(text);
  26.     printf("This is the text:\n%s", text);
  27.     return 0;
  28. }
  29.  
Success #stdin #stdout 0s 2172KB
comments (?)
stdin 
LEAF. IS? GREEN!
stdout 
Text
This is the text:
Leaf. Is? Green!
https://ideone.com/vAYrLp
language:
C99 (gcc 8.3)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!