1WCSRCHR(3P) POSIX Programmer's Manual WCSRCHR(3P)
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6 This manual page is part of the POSIX Programmer's Manual. The Linux
7 implementation of this interface may differ (consult the corresponding
8 Linux manual page for details of Linux behavior), or the interface may
9 not be implemented on Linux.
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12 wcsrchr — wide-character string scanning operation
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15 #include <wchar.h>
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17 wchar_t *wcsrchr(const wchar_t *ws, wchar_t wc);
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20 The functionality described on this reference page is aligned with the
21 ISO C standard. Any conflict between the requirements described here
22 and the ISO C standard is unintentional. This volume of POSIX.1‐2017
23 defers to the ISO C standard.
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25 The wcsrchr() function shall locate the last occurrence of wc in the
26 wide-character string pointed to by ws. The application shall ensure
27 that the value of wc is a character representable as a type wchar_t and
28 a wide-character code corresponding to a valid character in the current
29 locale. The terminating null wide-character code shall be considered to
30 be part of the wide-character string.
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33 Upon successful completion, wcsrchr() shall return a pointer to the
34 wide-character code or a null pointer if wc does not occur in the wide-
35 character string.
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38 No errors are defined.
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40 The following sections are informative.
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43 None.
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46 None.
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49 None.
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52 None.
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55 wcschr()
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57 The Base Definitions volume of POSIX.1‐2017, <wchar.h>
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60 Portions of this text are reprinted and reproduced in electronic form
61 from IEEE Std 1003.1-2017, Standard for Information Technology -- Por‐
62 table Operating System Interface (POSIX), The Open Group Base Specifi‐
63 cations Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of
64 Electrical and Electronics Engineers, Inc and The Open Group. In the
65 event of any discrepancy between this version and the original IEEE and
66 The Open Group Standard, the original IEEE and The Open Group Standard
67 is the referee document. The original Standard can be obtained online
68 at http://www.opengroup.org/unix/online.html .
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70 Any typographical or formatting errors that appear in this page are
71 most likely to have been introduced during the conversion of the source
72 files to man page format. To report such errors, see https://www.ker‐
73 nel.org/doc/man-pages/reporting_bugs.html .
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77IEEE/The Open Group 2017 WCSRCHR(3P)