ispunct in c

The ispunct function is one of the ctype library function, which is used to check the given character is a Punctuation or not. In this article we will show you, How to use ispunct in C Programming language with example.

Before we get into the example, the basic syntax of the ispunct in C programming is as shown below.

C ispunct Function syntax

Below function accept a character as the parameter, and find whether that character is Punctuation or not.

ispunct(char)

ispunct in C Programming Example 1

The ispunct function find whether user given character is a Punctuation character or not.

//Example for ispunct in C Programming
#include <stdio.h>
#include <ctype.h>

int main()
{
    char ch = '!';
    
    if(ispunct(ch))
    {
        printf("\nYou have entered a Punctuation Character \n");
    }
    else
    {
        printf("\n %c is not a Punctuation Character", ch);
    }
    return 0;
}

OUTPUT

C ispunct Example 2

This C program allows user to enter any character, and check whether the given character is a Punctuation or not using the ispunct function.

// ispunct in C Programming example
#include <stdio.h>
#include <ctype.h>

int main()
{
    char ch;
    
    printf("Please Enter Any Valid Character: ");
    scanf("%c", &ch);
    
    if(ispunct(ch))
    {
        printf("\nYou have entered a Punctuation Character \n");
    }
    else
    {
        printf("\n %c is not a Punctuation Character \n", ch);
    }
    return 0;
}

OUTPUT

Let me enter another character