Change alphabate lower case to upper upper case

 #include<stdio.h>

#include<conio.h>

void main()

{

               char c,x;

               clrscr();

    printf("enter any lower case char :");

    scanf("%c",&c);

    x=c-32;

    printf("upper case : %c",x);

    getch();

}

Output : 

enter any lower case char :a

upper case : A

[Process completed (code 10) - press Enter]