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localeconv(3) — Linux manual page

localeconv(3)            Library Functions Manuallocaleconv(3)

NAME        top

       localeconv - get numeric formatting information

LIBRARY        top

       Standard C library (libc,-lc)

SYNOPSIS        top

#include <locale.h>struct lconv *localeconv(void);

DESCRIPTION        top

       Thelocaleconv() function returns a pointer to astruct lconv for       the current locale.  This structure is shown inlocale(7), and       contains all values associated with the locale categoriesLC_NUMERICandLC_MONETARY.  Programs may also use the functionsprintf(3) andstrfmon(3), which behave according to the actual       locale in use.

RETURN VALUE        top

       Thelocaleconv() function returns a pointer to a filled instructlconv.  This structure may be (in glibc,is) statically allocated,       and may be overwritten by subsequent calls.  According to POSIX,       the caller should not modify the contents of this structure.  Thelocaleconv() function always succeeds.

ATTRIBUTES        top

       For an explanation of the terms used in this section, seeattributes(7).       ┌──────────────┬───────────────┬─────────────────────────────────┐       │Interface│Attribute│Value│       ├──────────────┼───────────────┼─────────────────────────────────┤       │localeconv() │ Thread safety │ MT-Unsafe race:localeconv       │       │              │               │ locale                          │       └──────────────┴───────────────┴─────────────────────────────────┘

STANDARDS        top

       C11.

HISTORY        top

       C89.

BUGS        top

       Theprintf(3) family of functions may or may not honor the current       locale.

SEE ALSO        top

locale(1),localedef(1),isalpha(3),nl_langinfo(3),setlocale(3),strcoll(3),strftime(3),locale(7)

COLOPHON        top

       This page is part of theman-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 isnot       part of the original manual page), send a mail to       man-pages@man7.orgLinux man-pages 6.15            2025-05-17localeconv(3)

Pages that refer to this page:localedef(1), lconv(3type), nl_langinfo(3), setlocale(3), locale(5), locale(7)

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