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.
DeclarationFollowing is the declaration for std::ispunct.
C++98int ispunct ( int c );C++11
int ispunct ( int c );Parameters
c − Character to be checked, casted to an int, or EOF.
Return ValueIt returns a value different from zero.
ExceptionsNo-throw guarantee − this function never throws exceptions.
ExampleIn 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.
locale.htm
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