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<RefMeta>
<RefEntryTitle>DtDtsFileToAttributeValue</RefEntryTitle>
<ManVolNum>library call</ManVolNum>
</RefMeta>
<RefNameDiv>
<RefName><Function>DtDtsFileToAttributeValue</Function></RefName>
<RefPurpose>get a specified attribute value for a file
</RefPurpose>
</RefNameDiv>
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<!-- (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;Dt/Dts.h>
</FuncSynopsisInfo>
<FuncDef>char <Function>*DtDtsFileToAttributeValue</Function></FuncDef>
<ParamDef>const char *<Parameter>filepath</Parameter></ParamDef>
<ParamDef>const char *<Parameter>attr_name</Parameter></ParamDef>
</FuncSynopsis>
</RefSynopsisDiv>
<RefSect1>
<Title>DESCRIPTION</Title>
<Para>The
<Function>DtDtsFileToAttributeValue</Function> function
returns a data attribute value for the specified file.
</Para>
<Para>The
<Emphasis>filepath</Emphasis> argument is the pathname of the file.
</Para>
<Para>The
<Emphasis>attr_name</Emphasis> argument is a pointer to an attribute name string.
</Para>
</RefSect1>
<RefSect1>
<Title>RETURN VALUE</Title>
<Para>Upon successful completion, the
<Function>DtDtsFileToAttributeValue</Function> function returns a pointer to a data attribute value string, or
<SystemItem Class="Constant">NULL</SystemItem> if no value could be determined.
</Para>
</RefSect1>
<RefSect1>
<Title>APPLICATION USAGE</Title>
<Para>The application should use the
&cdeman.DtDtsFreeAttributeValue; function to release the memory for the returned value.
</Para>
</RefSect1>
<RefSect1>
<Title>EXAMPLES</Title>
<Para>The following takes a list of files as arguments
and determines the description of the data type for each file:
</Para>
<InformalExample>
<ProgramListing>#include &lt;Dt/Dts.h>
#define ATTRIBUTE       "DESCRIPTION"
main (int argc, char **argv)
{
        char    *attribute;
        /* load data types database */
        DtDtsLoadDataTypes();
        argv++;
        while (*argv) {
                /* get attribute for file */
                attribute = DtDtsFileToAttributeValue(*argv, ATTRIBUTE);
                if (attribute)
                        printf("%s: %s&bsol;n", *argv, attribute);
                argv++;
        }
        DtDtsRelease();
        exit(0);
}
</ProgramListing>
</InformalExample>
</RefSect1>
<RefSect1>
<Title>SEE ALSO</Title>
<Para><Filename Role="Header">Dt/Dts.h</Filename>, &cdeman.DtDtsLoadDataTypes;, &cdeman.DtDtsRelease;, &cdeman.DtDtsFreeAttributeValue;.</Para>
</RefSect1>
</RefEntry>
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