iOS Manual Pages

This document is a Mac OS X manual page. Manual pages are a command-line technology for providing documentation. You can view these manual pages locally using the man(1) command. These manual pages come from many different sources, and thus, have a variety of writing styles.

For more information about the manual page format, see the manual page for manpages(5).

STRLEN(3)                BSD Library Functions Manual                STRLEN(3)

NAME
     strlen -- find length of string

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <string.h>

     size_t
     strlen(const char *s);

DESCRIPTION
     The strlen() function computes the length of the string s.

RETURN VALUES
     The strlen() function returns the number of characters that precede the
     terminating NUL character.

SEE ALSO
     string(3)

STANDARDS
     The strlen() function conforms to ISO/IEC 9899:1990 (``ISO C90'').

BSD                              June 4, 1993                              BSD