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ispunct

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(C11)(C11)
 
Defined in header <ctype.h>
int ispunct( int ch );

Checks if the given character is a punctuation character in the current C locale. The default C locale classifies the characters !"#$%&'()*+,-./:;<=>?@[\]^_`{|}~ as punctuation.

The behavior is undefined if the value of ch is not representable as unsigned char and is not equal to EOF.

Contents

[edit] Parameters

ch - character to classify

[edit] Return value

Non-zero value if the character is a punctuation character, zero otherwise.

[edit] Example

Run this code
#include <ctype.h>
#include <locale.h>
#include <stdio.h>
 
int main(void)
{
    unsigned char c = '\xd7'; // the character × (multiplication sign) in ISO-8859-1
    printf("In the default C locale, \\xd7 is %spunctuation\n",
           ispunct(c) ? "" : "not " );
    setlocale(