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 characters in 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 3.35 of the Linux man-pages project.   A  description  of
       the   project,   and   information   about   reporting   bugs,   can   be   found   at
       http://man7.org/linux/man-pages/.



GNU                                       2011-09-28                                STRLEN(3)