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NAME
     tt_feature_enabled - Query the ToolTalk library to see if  a
     particular feature has been enabled previously

SYNOPSIS
     #include <Tt/tt_c.h>
     Tt_status tt_feature_enabled ( Tt_feature feature );

DESCRIPTION
     The tt_feature_enabled() call queries the  ToolTalk  service
     to see if the indicated feature has previously been enabled.

     The feature argument is  a  value  indicating  a  particular
     feature in which the calling code is interested.

RETURN VALUE
     Upon successful completion, the  tt_feature_enabled()  func-
     tion  returns the status of the operation as one of the fol-
     lowing Tt_status values:

     TT_OK The operation completed successfully.

     TT_WRN_NOT_ENABLED
             The feature has not yet been enabled.

     TT_ERR_UNIMP
             The version of the ToolTalk library linked with  the
             calling code does not support the indicated feature.

APPLICATION USAGE
     A library using ToolTalk could check to see if  the  calling
     application had previously turned on ToolTalk's multithread-
     ing feature with the following code:

               Tt_status ttstat;
               ttstat = tt_feature_enabled(TT_FEATURE_MULTITHREADED);
               if (ttstat != TT_OK) {
                    ttstat = tt_feature_required(TT_FEATURE_MULTITHREADED);
               }

SEE ALSO
     tt_c(5), tt_feature_required(3)

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