debian man page for strlen

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 ('').

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 3.44 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)