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RpcNsBindingInqEntryName function

The RpcNsBindingInqEntryName function returns the entry name from which the binding handle came.

Note  This function is not supported on Windows Vista and later operating systems.

Syntax


RPC_STATUS RPC_ENTRY RpcNsBindingInqEntryName(
  RPC_BINDING_HANDLE Binding,
  unsigned long EntryNameSyntax,
  unsigned char **EntryName
);

Parameters

Binding

Binding handle whose name-service database entry name is returned.

EntryNameSyntax

Syntax used in EntryName.

To use the syntax specified in the registry value entry

HKEY_LOCAL_MACHINE\Software\Microsoft\Rpc\NameService\DefaultSyntax, provide a value of RPC_C_NS_SYNTAX_DEFAULT.

EntryName

Returns the address of a pointer to the name of the name-service database entry in which Binding was found.

Specify a null value to prevent RpcNsBindingInqEntryName from returning the EntryName parameter. In this case, the application does not call the RpcStringFree function.

Return value

ValueMeaning
RPC_S_OK

The call succeeded.

RPC_S_INVALID_BINDING

The binding handle was invalid.

RPC_S_NO_ENTRY_NAME

No entry name for binding.

RPC_S_INVALID_NAME_SYNTAX

The name syntax is invalid.

RPC_S_UNSUPPORTED_NAME_SYNTAX

The name syntax is unsupported.

RPC_S_INCOMPLETE_NAME

The name is incomplete.

 

Note  For a list of valid error codes, see RPC Return Values.

Remarks

The RpcNsBindingInqEntryName function returns the name of the name service–database entry name from which a client compatible–binding handle came.

The RPC run-time library allocates memory for the string returned in the EntryName parameter. The application is responsible for calling the RpcStringFree function to deallocate that memory.

An entry name is associated only with binding handles returned from the RpcNsBindingImportNext, RpcNsBindingLookupNext, and RpcNsBindingSelect functions.

If the binding handle specified in the Binding parameter was not returned from a name-service database entry (for example, if the binding handle was created by calling RpcBindingFromStringBinding), RpcNsBindingInqEntryName returns an empty string ("\0") and an RPC_S_NO_ENTRY_NAME status code.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Rpcdce.h (include Rpc.h)

Library

Rpcrt4.lib

DLL

Rpcrt4.dll

Unicode and ANSI names

RpcNsBindingInqEntryNameW (Unicode) and RpcNsBindingInqEntryNameA (ANSI)

See also

RpcBindingFromStringBinding
RpcNsBindingImportNext
RpcNsBindingLookupNext
RpcNsBindingSelect
RpcStringFree

 

 

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