Example
Input
Input character: a
Output
'a' is alphabet
/**
* C program to check whether a character is alphabet or not
*/
#include <stdio.h>
int main()
{
char ch;
/* Input a character from user */
printf("Enter any character: ");
scanf("%c", &ch);
if((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z'))
{
printf("Character is an ALPHABET.");
}
else
{
printf("Character is NOT ALPHABET.");
}
return 0;
}
/*
Output :
Enter any character: b
Character is an ALPHABET.
*/
Program to check alphabets using ASCII value
/**
* C program to check whether a character is alphabet or not
*/
#include <stdio.h>
int main()
{
char ch;
/* Input a character from user */
printf("Enter any character: ");
scanf("%c", &ch);
if((ch >= 97 && ch <= 122) || (ch >= 65 && ch <= 90))
{
printf("Character is an ALPHABET.");
}
else
{
printf("Character is NOT ALPHABET.");
}
return 0;
}
/*
Output :
Enter any character: b
Character is an ALPHABET.
*/