NAME    [Toc]    [Back]

     iswalnum, iswalpha, iswblank, iswcntrl, iswdigit, iswgraph, iswlower,
     iswprint, iswpunct, iswspace, iswupper, iswxdigit - wide character classification
 utilities

LIBRARY    [Toc]    [Back]

     Standard C Library (libc, -lc)

SYNOPSIS    [Toc]    [Back]

     #include <wctype.h>

     int
     iswalnum(wint_t wc);

     int
     iswalpha(wint_t wc);

     int
     iswblank(wint_t wc);

     int
     iswcntrl(wint_t wc);

     int
     iswdigit(wint_t wc);

     int
     iswgraph(wint_t wc);

     int
     iswlower(wint_t wc);

     int
     iswprint(wint_t wc);

     int
     iswpunct(wint_t wc);

     int
     iswspace(wint_t wc);

     int
     iswupper(wint_t wc);

     int
     iswxdigit(wint_t wc);

DESCRIPTION    [Toc]    [Back]

     The functions are character classification utility functions, for use
     with wide characters (wchar_t or wint_t).  See description for singlebyte
     classification functions, like isalnum(3), for details.

RETURN VALUES    [Toc]    [Back]

     The functions return zero if the character tests false and return nonzero
 if the character tests true.

SEE ALSO    [Toc]    [Back]

     isalnum(3), isalpha(3), isblank(3), iscntrl(3), isdigit(3), isgraph(3),
     islower(3), isprint(3), ispunct(3), isspace(3), isupper(3), isxdigit(3)

STANDARDS    [Toc]    [Back]

     The functions conform to .

BSD                            December 22, 2000                           BSD