C Program to print A to Z using for loop.

#include<stdio.h>

int main()

{

 int i;

 for(i=65; i<=90; i++)

 {

  printf("%c ",i);

 }

 return 0;

}

Output of the program:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z