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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | STANDARDS | HISTORY | SEE ALSO | COLOPHON |
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wmemcmp(3) Library Functions Manual wmemcmp(3)
wmemcmp - compare two arrays of wide-characters
Standard C library (libc, -lc)
#include <wchar.h>
int wmemcmp(size_t n;
const wchar_t s1[n], const wchar_t s2[n], size_t n);
The wmemcmp() function is the wide-character equivalent of the
memcmp(3) function. It compares the n wide-characters starting at
s1 and the n wide-characters starting at s2.
The wmemcmp() function returns zero if the wide-character arrays
of size n at s1 and s2 are equal. It returns an integer greater
than zero if at the first differing position i (i < n), the
corresponding wide-character s1[i] is greater than s2[i]. It
returns an integer less than zero if at the first differing
position i (i < n), the corresponding wide-character s1[i] is less
than s2[i].
For an explanation of the terms used in this section, see
attributes(7).
┌──────────────────────────────────────┬───────────────┬─────────┐
│ Interface │ Attribute │ Value │
├──────────────────────────────────────┼───────────────┼─────────┤
│ wmemcmp() │ Thread safety │ MT-Safe │
└──────────────────────────────────────┴───────────────┴─────────┘
C11, POSIX.1-2008.
POSIX.1-2001, C99.
memcmp(3), wcscmp(3)
This page is part of the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
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⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
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Linux man-pages 6.15 2025-06-28 wmemcmp(3)
Pages that refer to this page: memcmp(3), wcscmp(3), signal-safety(7)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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