int ispunct( int c );
int iswpunct( wint_t c );
Each of these routines returns true if c is a particular representation of a punctuation character.
| Routine | Required Header | Compatibility |
| ispunct | <ctype.h> | ANSI, Win 95, Win NT |
| iswpunct | <ctype.h> or <wchar.h> | ANSI, Win 95, Win NT |
For additional compatibility information, see Compatibility in the Introduction.
Libraries
| LIBC.LIB | Single thread static library, retail version |
| LIBCMT.LIB | Multithread static library, retail version |
| MSVCRT.LIB | Import library for MSVCRT.DLL, retail version |
Return Value
ispunct returns a non-zero value for any printable character that is not a space character or a character for which isalnum is true. iswpunct returns a non-zero value for any printable wide character that is neither the space wide character nor a wide character for which iswalnum is true. Each of these routines returns 0 if c does not satisfy the test condition.
The result of the test condition for the ispunct function depends on the LC_CTYPE category setting of the current locale; see setlocale for more information. For iswpunct, the result of the test condition is independent of locale.
Parameter
c
Integer to test
Generic-Text Routine Mappings
| TCHAR.H Routine | _UNICODE & _MBCS Not Defined | _MBCS Defined | _UNICODE Defined |
| _istpunct | ispunct | _ismbcpunct | iswpunct |
Character Classification Routines | Locale Routines | is, isw Function Overview