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Synopsis:
    #include <ctype.h>
    int ispunct( int c );

Description:
    The ispunct function tests for any punctuation character such as a comma
    (,) or a period (.).

Returns:
    The ispunct function returns a non-zero value when the argument is a
    punctuation character; otherwise, zero is returned.

See Also:
    isalnum, isalpha, iscntrl, isdigit, isgraph, islower, isprint, isspace,
    isupper, isxdigit, tolower, toupper

Example:
    #include <stdio.h>
    #include <ctype.h>

    char chars[] = {
        'A',
        '!',
        '.',
        ',',
        ':',
        ';'
    };

    #define SIZE sizeof( chars ) / sizeof( char )

    void main()
      {
        int   i;

        for( i = 0; i < SIZE; i++ ) {
          printf( "Char %c is %sa punctuation character\n",
                chars[i],
                ( ispunct( chars[i] ) ) ? "" : "not " );
        }
      }

    produces the following:

    Char A is not a punctuation character
    Char ! is a punctuation character
    Char . is a punctuation character
    Char , is a punctuation character
    Char : is a punctuation character
    Char ; is a punctuation character

Classification:
    ANSI

Systems:
    All