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1 | .\" Copyright (c) Bruno Haible <haible@clisp.cons.org> |
2 | .\" | |
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. | |
7 | .\" | |
8 | .\" References consulted: | |
9 | .\" GNU glibc-2 source code and manual | |
10 | .\" Dinkumware C library reference http://www.dinkumware.com/ | |
008f1ecc | 11 | .\" OpenGroup's Single UNIX specification |
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12 | .\" http://www.UNIX-systems.org/online.html |
13 | .\" ISO/IEC 9899:1999 | |
14 | .\" | |
15 | .TH PUTWCHAR 3 1999-07-25 "GNU" "Linux Programmer's Manual" | |
16 | .SH NAME | |
17 | putwchar \- write a wide character to standard output | |
18 | .SH SYNOPSIS | |
19 | .nf | |
20 | .B #include <wchar.h> | |
21 | .sp | |
22 | .BI "wint_t putwchar(wchar_t " wc ); | |
23 | .fi | |
24 | .SH DESCRIPTION | |
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25 | The |
26 | .BR putwchar () | |
27 | function is the wide-character equivalent of the | |
28 | .BR putchar (3) | |
29 | function. | |
9bef72b5 | 30 | It writes the wide character \fIwc\fP to \fIstdout\fP. |
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31 | If \fIferror(stdout)\fP becomes true, it returns |
32 | .BR WEOF . | |
c13182ef | 33 | If a wide character |
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34 | conversion error occurs, it sets \fIerrno\fP to \fBEILSEQ\fP and returns |
35 | .BR WEOF . | |
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36 | Otherwise it returns \fIwc\fP. |
37 | .PP | |
24b74457 | 38 | For a nonlocking counterpart, see |
fea681da | 39 | .BR unlocked_stdio (3). |
47297adb | 40 | .SH RETURN VALUE |
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41 | The |
42 | .BR putwchar () | |
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43 | function returns \fIwc\fP if no error occurred, or |
44 | .B WEOF | |
45 | to indicate an error. | |
47297adb | 46 | .SH CONFORMING TO |
68e1685c | 47 | C99. |
fea681da | 48 | .SH NOTES |
d9bfdb9c | 49 | The behavior of |
60a90ecd | 50 | .BR putwchar () |
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51 | depends on the |
52 | .B LC_CTYPE | |
53 | category of the | |
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54 | current locale. |
55 | .PP | |
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56 | It is reasonable to expect that |
57 | .BR putwchar () | |
58 | will actually write | |
fea681da | 59 | the multibyte sequence corresponding to the wide character \fIwc\fP. |
47297adb | 60 | .SH SEE ALSO |
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61 | .BR fputwc (3), |
62 | .BR unlocked_stdio (3) |