1WMEMCMP(3P)                POSIX Programmer's Manual               WMEMCMP(3P)
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PROLOG

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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NAME

12       wmemcmp - compare wide characters in memory
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SYNOPSIS

15       #include <wchar.h>
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17       int wmemcmp(const wchar_t *ws1, const wchar_t *ws2, size_t n);
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DESCRIPTION

21       The wmemcmp() function shall compare the first n wide characters of the
22       object  pointed  to by ws1 to the first n wide characters of the object
23       pointed to by ws2.  This function shall not be affected by  locale  and
24       all  wchar_t values shall be treated identically. The null wide charac‐
25       ter and wchar_t values not corresponding to valid characters shall  not
26       be treated specially.
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28       If  n  is zero, the application shall ensure that ws1 and ws2 are valid
29       pointers, and the function shall behave as if the two  objects  compare
30       equal.
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RETURN VALUE

33       The  wmemcmp() function shall return an integer greater than, equal to,
34       or less than zero, respectively, as the object pointed  to  by  ws1  is
35       greater than, equal to, or less than the object pointed to by ws2.
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ERRORS

38       No errors are defined.
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40       The following sections are informative.
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EXAMPLES

43       None.
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APPLICATION USAGE

46       None.
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RATIONALE

49       None.
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FUTURE DIRECTIONS

52       None.
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SEE ALSO

55       wmemchr(),  wmemcpy(), wmemmove(), wmemset(), the Base Definitions vol‐
56       ume of IEEE Std 1003.1-2001, <wchar.h>
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59       Portions of this text are reprinted and reproduced in  electronic  form
60       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
61       -- Portable Operating System Interface (POSIX),  The  Open  Group  Base
62       Specifications  Issue  6,  Copyright  (C) 2001-2003 by the Institute of
63       Electrical and Electronics Engineers, Inc and The Open  Group.  In  the
64       event of any discrepancy between this version and the original IEEE and
65       The Open Group Standard, the original IEEE and The Open Group  Standard
66       is  the  referee document. The original Standard can be obtained online
67       at http://www.opengroup.org/unix/online.html .
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71IEEE/The Open Group                  2003                          WMEMCMP(3P)
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