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Linux 2.6 - man page for strlen (linux section 3)

STRLEN(3)			    Linux Programmer's Manual				STRLEN(3)

NAME
       strlen - calculate the length of a string

SYNOPSIS
       #include <string.h>

       size_t strlen(const char *s);

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

RETURN VALUE
       The strlen() function returns the number of bytes in the string s.

CONFORMING TO
       SVr4, 4.3BSD, C89, C99.

SEE ALSO
       string(3), strnlen(3), wcslen(3), wcsnlen(3)

COLOPHON
       This page is part of release 3.55 of the Linux man-pages project.  A  description  of  the
       project,     and    information	  about    reporting	bugs,	 can	be    found    at
       http://www.kernel.org/doc/man-pages/.

GNU					    2012-05-04					STRLEN(3)


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