VMS Help
DCE, About This Help Library Important
*Conan The Librarian (sorry for the slow response - running on an old VAX)
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This help library is created from the standard Open Group DCE
documentation. It includes descriptions of additions that Compaq
has made to the standard DCE; however, most interface issues specific
to OpenVMS are not addressed. For information about using the
universal interface and any information specific to the OpenVMS
version of DCE, see the Compaq DCE for OpenVMS VAX and OpenVMS AXP
Product Guide.
Note: Because Compaq DCE is a subset of the Open Group DCE,
some of the information provided in this help library
can mislead you into thinking a feature is available
when it is not.
This DCE help library lets you choose from seven major help topics
at the top level:
DCE DCE_CDS DCE_DTS DCE_IDL DCE_RPC DCE_SECURITY
DCE_THREADS
For example, to get help on RPC, enter the following:
$ HELP DCE_RPC
User-level and system administration DCE commands are available at
the top levels of the help files. This is the information that is
stored in the man 1 and man 8 sections of other DCE systems. These
commands have extensions such as (1rpc), (1dts), and (8cds) in the
DCE reference manuals. Other reference material, including DCE
routines and error messages, is available under the sections that
correspond to pages in the reference manuals. For example, find the
RPC application routines under RPC_Application_Routines and the DTS
application routines under DTS_Application_Routines.
A NOTE ABOUT UNDERSCORE CHARACTERS (_):
To improve the searching capabilities of this OpenVMS help library,
many topics contain underscore (_) characters between words. Note
that some DCE commands also include underscore characters as part
of their command syntax. Do not assume that the help topic name is
the same as the command syntax to be entered as a command. Always
check to see the actual command syntax.
USING WILDCARD CHARACTERS:
Wildcard characters (* and %) are useful at the DCL ($) prompt or
the "DCE Subtopic?" prompt. For example, to see the RPC application
routines, enter the following command:
$ HELP DCE_RPC Application_R*
To see all the DCE threads application routines, enter the following
command:
$ HELP DCE_THREADS App*
To directly access information about a routine, for example the
routine rpc_binding_free, enter the following command:
$ HELP DCE_RPC Application_Routines rpc_binding_free
You can shorten the syntax of the previous command to either of
the following formats:
$ HELP DCE_RPC Appl* rpc_binding_free
or
$ HELP DCE_RPC * rpc_binding_free
However, you will get quicker response to direct routine queries if you
use the full syntax of the command.
Note that the user and administrative information such as rpccp is
available at the top level as follows:
$ help dce_rpc rpccp
ACCESSING MESSAGES:
To access message information enter a command with underscore (_)
characters connecting key words, as shown in the following example:
$ help dce_idl idl_m *interface_cannot_import*
DCE
IDL_Messages(rpc7)
A_nonlocal_interface_cannot_import_a_local_interface
Explanation: The [local] interface attribute implies that the
interface is not part of an RPC application, but is used only to
generate header files. This causes IDL to suppress any
errors specific to RPC that the interface uses as part of an
RPC application.
User Action: Remove the [local] attribute from the imported
interface definition. The imported interface does not need a
UUID unless the interface defines an operation and you
compile it independently.
ACCESSING HELP SUBTOPICS FROM LONG LISTS:
You can access subsections of help topics that contain long lists
of additional information even while the "press RETURN to continue..."
prompt is displayed. For example, when you enter the following
command the system displays a long list of the message topics
available:
$ help dce_idl idl_message
You may need to press RETURN several times before the system displays
the message that you want. When the exact message topic is
displayed you can access it quickly, however. Enter the
correct message text at the "press RETURN to continue..." prompt,
as shown in the following example:
.
.
.
A_maybe_operation_cannot_have_out_parameters_or_a_function_result
A_min_is_parameter_must_have_the_in_attribute
A_min_is_variable_must_be_a_small,_short,_or_long_integer
A_nonlocal_interface_cannot_import_a_local_interface
A_parameter_must_have_either_or_both_the_in_and_out_attributes
.
.
.
press RETURN to continue... *interface_cannot_import*
Workstation users may find it easier to use the window cut-and-paste
feature to enter long strings containing underscore (_) characters.
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