strlen(3) — Справочная страница Linux

strlen(3)               Library Functions Manual               strlen(3)

ИМЯ

       strlen - calculate the length of a string

БИБЛИОТЕКА

       Standard C library (libc, -lc)

СИНТАКСИС

       #include <string.h>

       size_t strlen(const char *s);

ОПИСАНИЕ

       The strlen() function calculates the length of the string pointed
       to by s, excluding the terminating null byte ('\0').

ЗНАЧЕНИЕ, ВОЗВРАЩАЕМОЕ ФУНКЦИЕЙ

       The strlen() function returns the number of bytes in the string
       pointed to by s.

АТРИБУТЫ

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

СТАНДАРТЫ

       C11, POSIX.1-2008.

ИСТОРИЯ

       POSIX.1-2001, C89, SVr4, 4.3BSD.

ПРИМЕЧАНИЯ

       In cases where the input buffer may not contain a terminating
       null byte, strnlen(3) should be used instead.

СМОТРИТЕ ТАКЖЕ

       string(3), strnlen(3), wcslen(3), wcsnlen(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
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       part of the original manual page), send a mail to
       man-pages@man7.org

Linux man-pages 6.9.1          2024-06-15                      strlen(3)

Страницы, которые ссылаются на эту страницу: lber-types(3), memchr(3), pmfstring(3), regex(3), strchr(3), string(3), strnlen(3), wcslen(3), signal-safety(7)