The function ispunct() is used to check that the passing character is a punctuation or not. It returns zero, if it is not a punctuation, otherwise it returns a non-zero value.
Here is the syntax of ispunct() in C language,
int ispunct(int character);
Here is an example of ispunct() in C language,
Example
#include <stdio.h>
#include<ctype.h>
int main() {
int a = '!';
int b = 'a';
if(ispunct(a))
printf("The character is a punctuation.");
else
printf("\nThe character is not a punctuation.");
if(ispunct(b))
printf("\nThe character is a punctuation.");
else
printf("\nThe character is not a punctuation.");
return 0;
}Output
The character is a punctuation. The character is not a punctuation.