status.i4.v = is_acl_user(user_name.i1a.r)

	These routines determines if a given user is enabled to fully use
	ACL to modify the device database.  Please, note that anyone can
	utilize ACL for reading purposes.

	user_name	null terminated ASCII user name
			(up to USER_NAME_LEN characters)

	This function returns ACNET status values as follows:

	TRUE			user is fully enabled to use ACL
	FALSE			user is not fully enabled to use ACL
	otherwise		error occurred in retrieving user information

	This function requires the following include files:

	cnsparam_h, clib_h, acnet_errors_h

	Related functions:

	is_dabbel_user, user_is_a_person, is_valid_user,
	get_personal_user_name_c, console_user_name_to_full_name,
	full_name_to_console_user_name, is_valid_username,
	user_validation_c, user_password

	C/C++ usage:

	static const char	user_name[] = "hendricks";
	int	status;

	status = is_acl_user(user_name);