#include<stdio.h>
#include<conio.h>
int main()
{
char ch;
clrscr();
printf("Enter chracter: ");
scanf("%c", &ch);
if(ch>='A' && ch<='Z') // or if(ch>=65 && ch<=90)
{
printf("%c is UPPERCASE.", ch);
}
else
{
printf("%c is NOT UPPERCASE.", ch);
}
getch();
return(0);
}
Output
Run 1: ---------- Enter any character: f ↲ f is NOT UPPERCASE. Run 2: ---------- Enter any character: G ↲ G is UPPERCASE. Run 3: ---------- Enter any character: * ↲ * is NOT UPPERCASE.