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

NAME
       strlen - calculate the length of a string

SYNOPSIS
       #include 

       sizet 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.

ATTRIBUTES
       For  an  explanation  of  the  terms  used   in   this   section,   see
       attributes(7).

       ┌──────────┬───────────────┬─────────┐
       │Interface │ Attribute     │ Value   │
       ├──────────┼───────────────┼─────────┤
       │strlen()  │ Thread safety │ MT-Safe │
       └──────────┴───────────────┴─────────┘
CONFORMING TO
       SVr4, 4.3BSD, C89, C99.

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

COLOPHON
       This  page  is  part of release 3.53 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)