osf1 man page for strlen

strlen(9r)																strlen(9r)

NAME
       strlen - General: Returns the number of characters in a null-terminated string

SYNOPSIS
       int strlen(
	       char *s );

ARGUMENTS
       Specifies a pointer to a string (an array of characters terminated by a null character).

DESCRIPTION
       The  strlen routine returns the number of characters in s. The count does not include the terminating null character. Note that the charac-
       ter size is 1 byte.

RETURN VALUES
       The strlen routine returns the number of characters in s, not counting the terminating null character.

																	strlen(9r)