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Command: iswblank | Section: 3 | Source: NetBSD | File: iswblank.3
ISWALNUM(3) FreeBSD 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.
FreeBSD 14.1-RELEASE-p8 December 22, 2000 FreeBSD 14.1-RELEASE-p8