atof(3) — Справочная страница Linux

atof(3)                 Library Functions Manual                 atof(3)

ИМЯ

       atof - convert a string to a double

БИБЛИОТЕКА

       Standard C library (libc, -lc)

СИНТАКСИС

       #include <stdlib.h>

       double atof(const char *nptr);

ОПИСАНИЕ

       The atof() function converts the initial portion of the string
       pointed to by nptr to double.  The behavior is the same as

           strtod(nptr, NULL);

       except that atof() does not detect errors.

ЗНАЧЕНИЕ, ВОЗВРАЩАЕМОЕ ФУНКЦИЕЙ

       The converted value.

АТРИБУТЫ

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

СТАНДАРТЫ

       C11, POSIX.1-2008.

ИСТОРИЯ

       POSIX.1-2001, C89, C99, SVr4, 4.3BSD.

СМОТРИТЕ ТАКЖЕ

       atoi(3), atol(3), strfromd(3), strtod(3), strtol(3), strtoul(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          2024-05-02                        atof(3)

Страницы, которые ссылаются на эту страницу: atoi(3), strfromd(3), strtod(3), strtol(3), strtoul(3)