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NAME
     DtDtsSetDataType - set the data type of a directory

SYNOPSIS
     #include <Dt/Dts.h>
     char *DtDtsSetDataType(const char *dirpath,
                            const char *datatype,
                            const int override);

DESCRIPTION
     The DtDtsSetDataType() function sets  the  data  type  of  a
     directory.   This may be accomplished by adding a file named
     with a leading dot to the directory.

     The dirpath argument is a pathname of the directory.

     The datatype argument is a data type.

     If the value is already  set,  DtDtsSetDataType()  does  not
     change  the  value  unless  the  override argument is set to
     True.

RETURN VALUE
     Upon successful completion, the DtDtsSetDataType()  function
     returns  a  pointer to a data type string, or NULL if it was
     unable to set or retrieve the data type.

APPLICATION USAGE
     Directories can have data types associated with  them,  just
     as  regular  files  can.   For  example,  a file manager may
     choose to alter the appearance of the directory's icon based
     on  this  data type or a system may use a directory of files
     as an means of supporting a complex form of data, such as  a
     compund document.

SEE ALSO
     DtDts(5), DtDtsLoadDataTypes(3).

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