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  1. /*Write a program to take a string input. Change it to sentence case.*/
  2. #include <stdio.h>
  3. #include <ctype.h>
  4. #include <string.h>
  5.  
  6. int main() {
  7.     char str[200];
  8.     fgets(str, sizeof(str), stdin);
  9.  
  10.     int i;
  11.  
  12.     // convert entire string to lowercase first
  13.     for (i = 0; str[i] != '\0'; i++)
  14.         str[i] = tolower(str[i]);
  15.  
  16.     // convert first non-space character to uppercase
  17.     for (i = 0; str[i] != '\0'; i++) {
  18.         if (str[i] != ' ') {
  19.             str[i] = toupper(str[i]);
  20.             break;
  21.         }
  22.     }
  23.  
  24.     printf("%s", str);
  25.     return 0;
  26. }
  27.  
  28.  
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin 
hELLO hOw aRe yOu?
stdout 
Hello how are you?
https://ideone.com/Q3LyYJ
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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