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  man pages->HP-UX 11i man pages -> tt_feature_required (3)              


 tt_feature_required(library call)         tt_feature_required(library call)

 NAME    [Toc]    [Back]
      tt_feature_required - declare a feature to be required by the calling

 SYNOPSIS    [Toc]    [Back]
      #include <Tt/tt_c.h>
      Tt_status tt_feature_required(
      Tt_feature feature);

 DESCRIPTION    [Toc]    [Back]
      The tt_feature_required function declares a feature to be required by
      the calling code. If the feature is available, tt_feature_required
      enables it.

      If the feature requires the ToolTalk service to perform some
      initialization (for example, TT_FEATURE_MULTITHREADED), the
      initialization is performed in this call. Some features (such as
      TT_FEATURE_MULTITHREADED) require this call to be made before calling

 ARGUMENTS    [Toc]    [Back]
      feature   Specifies the feature to be required.

 RETURN VALUE    [Toc]    [Back]
      Upon completion, the tt_feature_required function returns the status
      of the operation as one of the following Tt_status values:

      TT_OK     The feature is available and has been enabled.

      TT_ERR_TOOLATE    [Toc]    [Back]
                The tt_feature_required call must be made prior to other
                calls that have already been made to the ToolTalk API.

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

 APPLICATION USAGE    [Toc]    [Back]
      To use the ToolTalk library in a multithreaded environment, an
      application would declare multithreading to be required before a call
      to tt_open or ttdt_open:

      Tt_status ttstat;
      ttstat = tt_feature_required(TT_FEATURE_MULTITHREADED);

 SEE ALSO    [Toc]    [Back]
      Tt/tt_c.h - Tttt_c(5), tt_feature_enabled(3), tt_open(3), ttdt_open(3)

                                    - 1 -       Formatted:  January 24, 2005
[ Back ]
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