projects / thirdparty / man-pages.git / blame
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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/ | |
| 11 | .\" OpenGroup's Single Unix specification http://www.UNIX-systems.org/online.html | |
| 12 | .\" | |
| 59414d48 | 13 | .TH WCSDUP 3 2009-02-04 "GNU" "Linux Programmer's Manual" |
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14 | .SH NAME |
| 15 | wcsdup \- duplicate a wide-character string | |
| 16 | .SH SYNOPSIS | |
| 17 | .nf | |
| 18 | .B #define _GNU_SOURCE | |
| 19 | .br | |
| 20 | .B #include <wchar.h> | |
| 21 | .sp | |
| 22 | .BI "wchar_t *wcsdup(const wchar_t *" s ); | |
| 23 | .fi | |
| 24 | .SH DESCRIPTION | |
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25 | The |
| 26 | .BR wcsdup () | |
| 27 | function is the wide-character equivalent | |
| 28 | of the | |
| 29 | .BR strdup (3) | |
| 30 | function. | |
| c13182ef | 31 | It allocates and returns a new wide-character string whose initial |
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32 | contents is a duplicate of the wide-character string pointed to by \fIs\fP. |
| 33 | .PP | |
| c13182ef | 34 | Memory for the new wide-character string is |
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35 | obtained with |
| 36 | .BR malloc (3), | |
| 60d38add | 37 | and should be freed with |
| 60a90ecd | 38 | .BR free (3). |
| fea681da | 39 | .SH "RETURN VALUE" |
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40 | The |
| 41 | .BR wcsdup () | |
| 42 | function returns a pointer | |
| c13182ef | 43 | to the new wide-character string, |
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44 | or NULL if sufficient memory was not available. |
| 45 | .SH ERRORS | |
| 46 | .TP | |
| 47 | .B ENOMEM | |
| 48 | Insufficient memory available to allocate duplicate string. | |
| 49 | .SH "CONFORMING TO" | |
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50 | POSIX.1-2008. |
| 51 | This function is not specified in POSIX.1-2001, | |
| 52 | and is not widely available on other systems. | |
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53 | .\" present in libc5 and glibc 2.0 and later |
| 54 | .SH "SEE ALSO" | |
| 55 | .BR strdup (3), | |
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56 | .BR wcscpy (3), |
| 57 | .BR feature_test_macros (7) |