C Programming Code Examples C > Strings Code Examples Check Whether Character is Uppercase or Not without using Library function Check Whether Character is Uppercase or Not without using Library function #include<stdio.h> int main() { char ch; printf("\nEnter The Character : "); scanf("%c", &ch); if (ch >= 'A' && ch <= 'Z') printf("Character is Upper Case Letters"); else printf("Character is Not Upper Case Letters"); return (0); printf("Happy Codings - Programming Code Examples"); }