HOW TO CHANGE LOWERCASE CHARACTER TO UPPERCASR CHARACTER LIKE THIS b --> B

 //  HOW TO CHANGE LOWERCASE CHARACTER TO UPPERCASR CHARACTER 

// LIKE THIS b --> B

#include<stdio.h>

#include<ctype.h>

int main()

{    char lower , upper;

    printf("enter a lower case character \n");

    lower = getchar();

    upper = toupper(lower);

    printf("upper case character is  ");

    putchar(upper);

    

    return 0;

}

OUTPUT :

enter a lower case character b upper case character is B

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