C Program to check Uppercase or Lowercase characters using Library Functions

#include<stdio.h>
int main()
{
	char ch;
	printf("Enter any Character: ");
	scanf("%c",&ch);
	
	if(isupper(ch))
	{
		printf("%c is Uppercase Alphabet",ch);
	}
	else if(islower(ch))
	{
		printf("%c is Lowercase Alphabet",ch);
	}
	else
	{
		printf("%c is not Alphabet",ch);
	}
	
	return 0;
}

Output

Enter any Character: r
r is Lowercase Alphabet

Category

C Program to check Uppercase or Lowercase characters using Library Functions