C Language = To check if a character is in Uppercase, Lowercase, number, or a Special character

 To check if a character is in Uppercase, Lowercase, number, or a Special character

#include<stdio.h>

void main()// doesn't expect any return

{

int a;//initialise variable

char ch;// initialise character

printf("enter a alphabet\n");// print

scanf("%c",&a);// scan user input

if ((a>='a') && (a<='z'))// for lowercase a to z

{

printf("it is a lowercase %c",a);// print

}

else if ((a>='A')&&(a<='Z'))//for upper case A to Z

{

printf("it is an upercase %c",a); //print

}

else if ((a>='0')&&(a<='9'))//for numbers

{

printf("it is a number %c",a); //print

}

else 

{printf("it is a special character %c",a);}// for special characters

}