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, not including the terminating `\0' character.

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

CONFORMING TO
       SVID 3, POSIX, BSD 4.3, ISO 9899

SEE ALSO
       string(3)