<!-- $XConsortium: id.sgm /main/5 1996/08/30 13:39:47 rws $ -->
<!-- (c) Copyright 1995 Digital Equipment Corporation. -->
<!-- (c) Copyright 1995 Hewlett-Packard Company. -->
<!-- (c) Copyright 1995 International Business Machines Corp. -->
<!-- (c) Copyright 1995 Sun Microsystems, Inc. -->
<!-- (c) Copyright 1995 Novell, Inc. -->
<!-- (c) Copyright 1995 FUJITSU LIMITED. -->
<!-- (c) Copyright 1995 Hitachi. -->

<![ %CDE.C.CDE; [<RefEntry Id="CDEMX.XCDI.MAN129.rsml.1">]]>
<![ %CDE.C.XO; [<RefEntry Id="XCDI.MAN129.rsml.1">]]>
<RefMeta>
<RefEntryTitle>tt_message_id</RefEntryTitle>
<ManVolNum>library call</ManVolNum>
</RefMeta>
<RefNameDiv>
<RefName><Function>tt_message_id</Function></RefName>
<RefPurpose>retrieve the identifier of a message
</RefPurpose>
</RefNameDiv>
<!-- $XConsortium: id.sgm /main/5 1996/08/30 13:39:47 rws $-->
<!-- CDE Common Source Format, Version 1.0.0-->
<!-- (c) Copyright 1993, 1994, 1995 Hewlett-Packard Company-->
<!-- (c) Copyright 1993, 1994, 1995 International Business Machines Corp.-->
<!-- (c) Copyright 1993, 1994, 1995 Sun Microsystems, Inc.-->
<!-- (c) Copyright 1993, 1994, 1995 Novell, Inc.-->
<RefSynopsisDiv>
<FuncSynopsis Remap="ANSI">
<FuncSynopsisInfo>#include &lt;Tt/tt_c.h>
</FuncSynopsisInfo>
<FuncDef>char <Function>*tt_message_id</Function></FuncDef>
<ParamDef>Tt_message <Parameter>m</Parameter></ParamDef>
</FuncSynopsis>
</RefSynopsisDiv>
<RefSect1>
<Title>DESCRIPTION</Title>
<Para>The
<Function>tt_message_id</Function> function
retrieves the identifier of the specified message.
</Para>
<Para>The
<Emphasis>m</Emphasis> argument is the opaque handle for the message involved in this operation.
</Para>
</RefSect1>
<RefSect1>
<Title>RETURN VALUE</Title>
<Para>Upon successful completion, the
<Function>tt_message_id</Function> function returns the character string value that uniquely
identifies the message across all running ToolTalk sessions.
The identifier of the message is set at its creation and never changes.
The application can use
&cdeman.tt.ptr.error; to extract one of the following
<StructName Role="typedef">Tt_status</StructName> values from the returned pointer:
</Para>
<VariableList>
<VarListEntry>
<Term>TT_OK</Term>
<ListItem>
<Para>The operation completed successfully.
</Para>
</ListItem>
</VarListEntry>
<VarListEntry>
<Term>TT_ERR_NOMP</Term>
<ListItem>
<Para>The
&cdeman.ttsession; process is not running and the ToolTalk service cannot restart it.
</Para>
</ListItem>
</VarListEntry>
<VarListEntry>
<Term>TT_ERR_POINTER</Term>
<ListItem>
<Para>The pointer passed does not point to an object of
the correct type for this operation.
</Para>
</ListItem>
</VarListEntry>
</VariableList>
</RefSect1>
<RefSect1>
<Title>APPLICATION USAGE</Title>
<Para>The application should use
&cdeman.tt.free; to free any data stored in the address returned by the
ToolTalk API.
</Para>
</RefSect1>
<RefSect1>
<Title>SEE ALSO</Title>
<Para>&cdeman.Tt.tt.c.h;, &cdeman.tt.ptr.error;, &cdeman.tt.free;.</Para>
</RefSect1>
</RefEntry>
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