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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | STANDARDS | HISTORY | NOTES | SEE ALSO | COLOPHON |
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strcoll(3) Library Functions Manual strcoll(3)
strcoll - compare two strings using the current locale
Standard C library (libc, -lc)
#include <string.h>
int strcoll(const char *s1, const char *s2);
The strcoll() function compares the two strings s1 and s2. It
returns an integer less than, equal to, or greater than zero if s1
is found, respectively, to be less than, to match, or be greater
than s2. The comparison is based on strings interpreted as
appropriate for the program's current locale for category
LC_COLLATE. (See setlocale(3).)
The strcoll() function returns an integer less than, equal to, or
greater than zero if s1 is found, respectively, to be less than,
to match, or be greater than s2, when both are interpreted as
appropriate for the current locale.
For an explanation of the terms used in this section, see
attributes(7).
┌───────────────────────────────┬───────────────┬────────────────┐
│ Interface │ Attribute │ Value │
├───────────────────────────────┼───────────────┼────────────────┤
│ strcoll() │ Thread safety │ MT-Safe locale │
└───────────────────────────────┴───────────────┴────────────────┘
C11, POSIX.1-2008.
POSIX.1-2001, C89, SVr4, 4.3BSD.
In the POSIX or C locales strcoll() is equivalent to strcmp(3).
memcmp(3), setlocale(3), strcasecmp(3), strcmp(3), string(3),
strxfrm(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⟩.
This page was obtained from the tarball man-pages-6.15.tar.gz
fetched from
⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
2025-08-11. If you discover any rendering problems in this HTML
version of the page, or you believe there is a better or more up-
to-date source for the page, or you have corrections or
improvements to the information in this COLOPHON (which is not
part of the original manual page), send a mail to
man-pages@man7.org
Linux man-pages 6.15 2025-05-17 strcoll(3)
Pages that refer to this page: bash(1), localeconv(3), memcmp(3), scandir(3), setlocale(3), strcasecmp(3), strcmp(3), string(3), strverscmp(3), strxfrm(3), locale(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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