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cdesktop/cde/doc/C/guides/man/m3_tt/ptr_err.sgm

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<!-- $XConsortium: ptr_err.sgm /main/7 1996/08/30 12:50:38 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.MAN217.rsml.1">]]>
<![ %CDE.C.XO; [<RefEntry Id="XCDI.MAN217.rsml.1">]]>
<RefMeta>
<RefEntryTitle>tt_ptr_error</RefEntryTitle>
<ManVolNum>library call</ManVolNum>
</RefMeta>
<RefNameDiv>
<RefName><SystemItem Class="Constant">tt_ptr_error</SystemItem></RefName>
<RefPurpose>pointer error macro
</RefPurpose>
</RefNameDiv>
<RefSynopsisDiv>
<FuncSynopsis Remap="ANSI">
<FuncSynopsisInfo>#include &lt;Tt/tt_c.h>
</FuncSynopsisInfo>
<FuncDef>Tt_status <Function>tt_ptr_error</Function></FuncDef>
<ParamDef><Parameter>pointer</Parameter></ParamDef>
</FuncSynopsis>
</RefSynopsisDiv>
<RefSect1>
<Title>DESCRIPTION</Title>
<Para>The
<Function>tt_ptr_error</Function> macro expands to
<Literal>tt_pointer_error((void *)(p))</Literal>.</Para>
<Para>The
<Symbol Role="Variable">pointer</Symbol> argument is the opaque pointer or character pointer to be checked.
</Para>
</RefSect1>
<RefSect1>
<Title>RETURN VALUE</Title>
<Para>Upon successful completion, the
<Function>tt_ptr_error</Function> function returns the status of the operation as one of the following
<StructName Role="typedef">Tt_status</StructName> values:
</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>SEE ALSO</Title>
<Para>&cdeman.Tt.tt.c.h;, &cdeman.tt.ptr.error;.</Para>
</RefSect1>
</RefEntry>
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