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iswprint - test for printing wide character
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Syntax | #include <wchar.h> int iswprint(wint_t wc); |
Description | iswprint() tests whether wc is a printing wide character. Printing wide characters include alphanumeric characters, special characters, and blanks.
In all cases, wc is an argument of type wint_t, the value of which must be a wide character code corresponding to a valid character in the current locale or must equal the value of the macro WEOF . If the argument wc has any other value, the behavior is undefined. |
Return val. | != 0
0 | Printing character (alphanumeric character, special character or blanks) Not a printing character |
Notes | iswprint() is implemented both as a function and as a macro. To generate a function call, the definition of the macro name must be first undefined (#undef iswprint ).
The behavior of iswprint() is determined by the class print of the current locale. The current locale is the C locale, unless it was explicitly changed using setlocale() . Restriction This version of the C runtime system only supports 1-byte characters as wide character codes. They are of type wchar_t (see stddef.h ). (End) |
See also | iswalnum() , iswalpha() , iswcntrl() , iswdigit() , iswgraph() , iswlower() , iswpunct() , iswspace() , iswupper() , iswxdigit() , setlocale() , wchar.h .
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