1 .\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
3 .\" This is free documentation; you can redistribute it and/or
4 .\" modify it under the terms of the GNU General Public License as
5 .\" published by the Free Software Foundation; either version 2 of
6 .\" the License, or (at your option) any later version.
8 .\" References consulted:
9 .\" GNU glibc-2 source code and manual
10 .\" Dinkumware C library reference http://www.dinkumware.com/
11 .\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
13 .\" About this Japanese page, please contact to JM Project <JM@linux.or.jp>
14 .\" Translated Sat Oct 23 20:06:18 JST 1999
15 .\" by FUJIWARA Teruyoshi <fujiwara@linux.or.jp>
16 .\" Updated Fri Aug 16 01:32:21 JST 2002
17 .\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
19 .TH WCWIDTH 3 1999-07-25 "GNU" "Linux Programmer's Manual"
22 .\"O wcwidth \- determine columns needed for a wide character
23 wcwidth \- ¥ï¥¤¥Éʸ»ú¤¬É¬ÍפȤ¹¤ë¥«¥é¥à¿ô¤òÄ´¤Ù¤ë
27 .B #define _XOPEN_SOURCE
30 .BI "int wcwidth(wchar_t " c );
36 .\"O function returns the number of columns
37 .\"O needed to represent the wide character \fIc\fP.
38 .\"O If \fIc\fP is a printable wide character, the value
40 .\"O If \fIc\fP is L\(aq\\0\(aq, the value is 0.
41 .\"O Otherwise \-1 is returned.
43 ´Ø¿ô¤Ï¡¢¥ï¥¤¥Éʸ»ú \fIc\fP ¤òɽ¸½¤¹¤ë¤¿¤á¤ËɬÍפʥ«¥é¥à
44 ¿ô¤òÊÖ¤¹¡£\fIc\fP ¤¬°õºþ²Äǽʸ»ú¤Ê¤é¤Ð¡¢¤³¤ÎÃÍ¤Ï 0 °Ê¾å¤Ç¤¢¤ë¡£
45 \fIc\fP ¤¬ L\(aq\\0\(aq ¤Ê¤é¤Ð¡¢ÃÍ¤Ï 0 ¤Ç¤¢¤ë¡£
46 ¤½¤ì°Ê³°¤Î¾ì¹ç¤Ë¤Ï \-1 ¤¬ÊÖ¤µ¤ì¤ë¡£
47 .\"O .SH "RETURN VALUE"
51 .\"O function returns the number of
52 .\"O column positions for \fIc\fP.
54 ´Ø¿ô¤Ï¡¢\fIc\fP ¤Îɽ¸½¤ËɬÍפʥ«¥é¥à¿ô¤òÊÖ¤¹¡£
55 .\"O .SH "CONFORMING TO"
59 .\"O Note that glibc before 2.2.5 used the prototype
60 glibc 2.2.5 °ÊÁ°¤Ç¤Ï°Ê²¼¤Î¥×¥í¥È¥¿¥¤¥×Àë¸À¤¬»ÈÍѤµ¤ì¤Æ¤¤¤¿¤³¤È¤Ë
64 .BI "int wcwidth(wint_t " c );
75 ¤ÎÆ°ºî¤Ï¡¢¸½ºß¤Î¥í¥±¡¼¥ë¤Î
82 .BR feature_test_macros (7)