C++ Locale Library - ispunct

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Description

It checks if character is a punctuation character and other locales may consider a different selection of characters as punctuation characters, but in any case they are isgraph but not isalnum.

Declaration

Following is the declaration for std::ispunct.

C++98

int ispunct ( int c );

C++11

int ispunct ( int c );

Parameters

c − Character to be checked, casted to an int, or EOF.

Return Value

It returns a value different from zero.

Exceptions

No-throw guarantee − this function never throws exceptions.

Example

In below example for std::ispunct.

#include <stdio.h>
#include <ctype.h>
int main () {
   int i=0;
   int cx=0;
   char str[]="tutorialspoint india pvt ltd!";
   while (str[i]) {
      if (ispunct(str[i])) cx++;
      i++;
   }
   printf ("Sentence contains %d punctuation characters.\n", cx);
   return 0;
}

The sample output should be like this −

Sentence contains 1 punctuation characters.