lsearch(3) — Справочная страница Linux

lsearch(3)              Library Functions Manual              lsearch(3)

ИМЯ

       lfind, lsearch - linear search of an array

БИБЛИОТЕКА

       Standard C library (libc, -lc)

СИНТАКСИС

       #include <search.h>

       void *lfind(const void key[.size], const void base[.size * .nmemb],
                   size_t *nmemb, size_t size,
                   int(*compar)(const void [.size], const void [.size]));
       void *lsearch(const void key[.size], void base[.size * .nmemb],
                   size_t *nmemb, size_t size,
                   int(*compar)(const void [.size], const void [.size]));

ОПИСАНИЕ

       lfind() and lsearch() perform a linear search for key in the
       array base which has *nmemb elements of size bytes each.  The
       comparison function referenced by compar is expected to have two
       arguments which point to the key object and to an array member,
       in that order, and which returns zero if the key object matches
       the array member, and nonzero otherwise.

       If lsearch() does not find a matching element, then the key
       object is inserted at the end of the table, and *nmemb is
       incremented.  In particular, one should know that a matching
       element exists, or that more room is available.

ЗНАЧЕНИЕ, ВОЗВРАЩАЕМОЕ ФУНКЦИЕЙ

       lfind() returns a pointer to a matching member of the array, or
       NULL if no match is found.  lsearch() returns a pointer to a
       matching member of the array, or to the newly added member if no
       match is found.

АТРИБУТЫ

       For an explanation of the terms used in this section, see
       attributes(7).
       ┌─────────────────────────────────────┬───────────────┬─────────┐
       │ Interface                           │ Attribute     │ Value   │
       ├─────────────────────────────────────┼───────────────┼─────────┤
       │ lfind(), lsearch()                  │ Thread safety │ MT-Safe │
       └─────────────────────────────────────┴───────────────┴─────────┘

СТАНДАРТЫ

       POSIX.1-2008.

ИСТОРИЯ

       POSIX.1-2001, SVr4, 4.3BSD.  libc-4.6.27.

ОШИБКИ

       The naming is unfortunate.

СМОТРИТЕ ТАКЖЕ

       bsearch(3), hsearch(3), tsearch(3)

КОЛОФОН

       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-6.9.1.tar.gz
       fetched from
       ⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
       2024-06-26.  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 6.9.1          2024-05-02                     lsearch(3)

Страницы, которые ссылаются на эту страницу: bsearch(3), hsearch(3), tsearch(3)