status.i4.v = acl_set_symbol_c(symbol_name.i1a.r, value.g.v,
				       value_type.i4.v, value_length.i4.v,
				       options.u4.v [,array_index.i4.v])

	This routine sets the value of a symbol in the Accelerator Command
	Language (ACL) environment.  If the symbol doesn't already exist,
	this routine can create a new symbol.  These symbol values still
	exist after an ACL script has finished executing to determine
	reading or status values resulting from the execution or to feed
	input into another script.

	symbol_name	null terminated symbol name
			(The name can contain array notation ([n]) to specify
			 array indices.)
			(up to ACL_SYMBOL_NAME_LEN characters)
	value		desired value
	value_type	type of value
			(ACL_BYTE_VALUE -> byte integer value,
			 ACL_UNSIGNED_BYTE_VALUE -> unsigned byte integer value,
			 ACL_SHORT_INT_VALUE -> short integer value,
			 ACL_UNSIGNED_SHORT_VALUE -> unsigned short integer
			 ACL_INTEGER_VALUE -> integer value,
			 ACL_UNSIGNED_INT_VALUE -> unsigned integer value,
			 ACL_LONG_LONG_VALUE -> long long integer value,
			 ACL_ULONG_LONG_VALUE -> unsigned long long
						 integer value,
			 ACL_FLOAT_VALUE -> single precision floating
					    point value,
			 ACL_DOUBLE_VALUE -> double precision floating
					     point value,
			 ACL_STRING_VALUE -> null terminated string value,
			 ACL_LOGICAL_VALUE -> logical value (integer value),
			 ACL_DATE_VALUE -> date value in clinks
					   (unsigned integer value),
			 ACL_MILLISECONDS_DATE_VALUE -> milliseconds date value,
			 ACL_ERROR_VALUE -> ACNET error value (integer value),
			 ACL_SYSTEM_ERROR_VALUE -> system error value
						   (integer value),
			 ACL_RTL_ERROR_VALUE -> RTL error value (integer value),
			 ACL_NODE_VALUE -> ACNET node value (integer value),
			 ACL_EVENT_VALUE -> clock event value (integer value),
			 ACL_DEVICE_INDEX_VALUE -> device index value
						   (integer value))
	value_length	length of value in bytes
	options		usage options
			(ACL_OPT_NONE -> no options selected,
			 ACL_OPT_CREATE_SYMBOL -> create a new symbol if
						  the requested symbol
						  doesn't exist)
	[array_index]	array index (default is 0)
	[num_indices]	number of array indices in 'array_indices'
			for multidimensional arrays
			(default is 0)
	[array_indices]	array of array indices for multidimensional arrays
			(default is NULL)

	This function returns ACNET status values as follows:

	OK			success
	CLIB_NO_SUCH		symbol doesn't exist
	CLIB_DELETED		symbol has been deleted
	otherwise		other ACNET format error code

	This function requires the following include files:

	ul_acl_h:acl_h, acnet_errors_h

	Related functions:

	intro_acl, acl_read_symbol_c, acl_read_symbol_as_string_c,
	acl_read_symbol_info_c, acl_read_symbol_dynamic_info_c,
	acl_create_symbol_c, acl_execute_c, acl_file_execute_c,
	acl_file_read_c, acl_file_write_c, acl_file_exists_c,
	acl_db_file_exists_c, acl_compile_c, acl_free_c,
	acl_free_arg_info_c, acl_read_symbol_names,
	acl_read_intrinsic_symbol_names, acl_parse_symbol_name,
	acl_script_argument_info_c, acl_script_has_symbol_list_c,
	acl_script_has_setting_c, acl_delete_symbol, acl_reinit_symbol,
	acl_info_c, acl_cancel_requests_c, acl_default_data_source_c,
	acl_log_file_c, acl_default_script_path_c, acl_script_is_executing,
	acl_register_host_request_func, acl_unregister_host_request_func,
	acl_translate_command_string, acl_file_read_description_c,
	acl_file_read_author_c, acl_file_read_title_c, acl_search_db_files_c,
	acl_file_is_in_repository_c, acl_parse_script_argument_string_c,
	acl_expand_file_name_c, acl_get_user_execution_privilege,
	acl_get_user_db_edit_permission, acl_script_to_command_lines_c,

	C/C++ usage:

	static const char	symbol_name[] = "my_symbol";
	int	status;
	int	value_type = ACL_FLOAT_VALUE;
	int	value_length = sizeof(float);
	int	array_index = 0;
	int	num_indices = 0;
	int	*array_indices = (int *) NULL;
	unsigned int	options = ACL_OPT_CREATE_SYMBOL;
	float	value = VALUE;

	status = acl_set_symbol_c(symbol_name,(void *) &value,value_type,