Convert string UpperCase

Q. Write a string to accept string through keyboard and convert it Uppercase letter.

Ans.

/*program to convert a string in upper case letter*/

#include<stdio.h>

#include<string.h>

int main()

{

 char str[40];

 int i;

 printf("Enter any string : ");

 gets(str);

 for(i=0; str[i]!=NULL; i++)

 {

   if(str[i]>='a' && str[i]<='z')

   {

      str[i]=str[i]-32;

   }

 }

 str[i]='\0';

 puts(str);
 getch();

 return 0;

}

Output:-

Enter any string : My C ProgrammING CodeS

MY C PROGRAMMING CODES