man3/iswprint.3

   1 .\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
   2 .\"
   3 .\" SPDX-License-Identifier: GPL-2.0-or-later
   4 .\"
   5 .\" References consulted:
   6 .\"   GNU glibc-2 source code and manual
   7 .\"   Dinkumware C library reference http://www.dinkumware.com/
   8 .\"   OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
   9 .\"   ISO/IEC 9899:1999
  10 .\"
  11 .TH ISWPRINT 3  2021-03-22 "GNU" "Linux Programmer's Manual"
  12 .SH NAME
  13 iswprint \- test for printing wide character
  14 .SH LIBRARY
  15 Standard C library
  16 .RI ( libc ", " -lc )
  17 .SH SYNOPSIS
  18 .nf
  19 .B #include <wctype.h>
  20 .PP
  21 .BI "int iswprint(wint_t " wc );
  22 .fi
  23 .SH DESCRIPTION
  24 The
  25 .BR iswprint ()
  26 function is the wide-character equivalent of the
  27 .BR isprint (3)
  28 function.
  29 It tests whether
  30 .I wc
  31 is a wide character
  32 belonging to the wide-character class "print".
  33 .PP
  34 The wide-character class "print" is disjoint from the wide-character class
  35 "cntrl".
  36 .PP
  37 The wide-character class "print" contains the wide-character class "graph".
  38 .SH RETURN VALUE
  39 The
  40 .BR iswprint ()
  41 function returns nonzero if
  42 .I wc
  43 is a
  44 wide character belonging to the wide-character class "print".
  45 Otherwise, it returns zero.
  46 .SH ATTRIBUTES
  47 For an explanation of the terms used in this section, see
  48 .BR attributes (7).
  49 .ad l
  50 .nh
  51 .TS
  52 allbox;
  53 lbx lb lb
  54 l l l.
  55 Interface       Attribute       Value
  56 T{
  57 .BR iswprint ()
  58 T}      Thread safety   MT-Safe locale
  59 .TE
  60 .hy
  61 .ad
  62 .sp 1
  63 .SH CONFORMING TO
  64 POSIX.1-2001, POSIX.1-2008, C99.
  65 .SH NOTES
  66 The behavior of
  67 .BR iswprint ()
  68 depends on the
  69 .B LC_CTYPE
  70 category of the
  71 current locale.
  72 .SH SEE ALSO
  73 .BR isprint (3),
  74 .BR iswctype (3)