.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
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.\" References consulted:
.\"     Linux libc source code
.\"     Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\"     386BSD man pages
.\" Modified Sat Jul 24 18:02:26 1993 by Rik Faith (faith@cs.unc.edu)
.\"*******************************************************************
.\"
.\" This file was generated with po4a. Translate the source file.
.\"
.\"*******************************************************************
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.\" Japanese Version Copyright (c) 1997 YOSHINO Takashi
.\"       all rights reserved.
.\" Translated Mon Jan 20 18:51:38 JST 1997
.\"       by YOSHINO Takashi <yoshino@civil.jcn.nihon-u.ac.jp>
.\"
.TH STRLEN 3 2014\-02\-25 GNU "Linux Programmer's Manual"
.SH 名前
strlen \- 文字列の長さを計算する
.SH 書式
.nf
\fB#include <string.h>\fP
.sp
\fBsize_t strlen(const char *\fP\fIs\fP\fB);\fP
.fi
.SH 説明
\fBstrlen\fP()  関数は文字列 \fIs\fP の長さを計算する。 このとき、終端ヌルバイト (\(aq\e0\(aq) は計算に含まれない。
.SH 返り値
\fBstrlen\fP() 関数は文字列 \fIs\fP のバイト数を返す。
.SH 属性
.SS "マルチスレッディング (pthreads(7) 参照)"
\fBstrlen\fP() 関数はスレッドセーフである。
.SH 準拠
SVr4, 4.3BSD, C89, C99.
.SH 関連項目
\fBstring\fP(3), \fBstrnlen\fP(3), \fBwcslen\fP(3), \fBwcsnlen\fP(3)
.SH この文書について
この man ページは Linux \fIman\-pages\fP プロジェクトのリリース 3.79 の一部
である。プロジェクトの説明とバグ報告に関する情報は
http://www.kernel.org/doc/man\-pages/ に書かれている。