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ISWALNUM(3)			   BSD Library Functions Manual 		      ISWALNUM(3)

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

LIBRARY
     Standard C Library (libc, -lc)

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

RETURN VALUES
     The functions return zero if the character tests false and return non-zero if the character
     tests true.

SEE ALSO
     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
     The functions conform to ISO/IEC 9899:1999 (``ISO C99'').

CAVEATS
     The argument to these functions must be WEOF or a valid wchar_t value with the current
     locale; otherwise, the result is undefined.

BSD					December 22, 2000				      BSD
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