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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | STANDARDS | HISTORY | SEE ALSO | COLOPHON |
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wcscmp(3) Library Functions Manual wcscmp(3)
wcscmp - compare two wide-character strings
Standard C library (libc, -lc)
#include <wchar.h>
int wcscmp(const wchar_t *s1, const wchar_t *s2);
The wcscmp() function is the wide-character equivalent of the
strcmp(3) function. It compares the wide-character string pointed
to by s1 and the wide-character string pointed to by s2.
The wcscmp() function returns zero if the wide-character strings
at s1 and s2 are equal. It returns an integer greater than zero
if at the first differing position i, 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, 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 │
├──────────────────────────────────────┼───────────────┼─────────┤
│ wcscmp() │ Thread safety │ MT-Safe │
└──────────────────────────────────────┴───────────────┴─────────┘
C11, POSIX.1-2008.
POSIX.1-2001, C99.
strcmp(3), wcscasecmp(3), wmemcmp(3)
This page is part of the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
the project can be found at
⟨https://www.kernel.org/doc/man-pages/⟩. If you have a bug report
for this manual page, see
⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
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Linux man-pages 6.15 2025-05-17 wcscmp(3)
Pages that refer to this page: strcmp(3), wcscasecmp(3), wmemcmp(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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