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NAME
     tt_pattern_category - return the category value of a pattern

SYNOPSIS
     #include <Tt/tt_c.h>
     Tt_category tt_pattern_category(Tt_pattern p);

DESCRIPTION
     The  tt_pattern_category()  function  returns  the  category
     value of the specified pattern.

     The p argument is the opaque handle for a message pattern.

RETURN VALUE
     Upon successful completion, the tt_pattern_category()  func-
     tion  returns  a  value that indicates whether the receiving
     process   will   observe   or    handle    messages.     The
     tt_pattern_category()  function returns one of the following
     Tt_status values:

        TT_OBSERVE
                The receiving process will observe messages.

        TT_HANDLE
                The receiving process will handle messages.

     The application can use tt_int_error(3) to  extract  one  of
     the  following Tt_status values from the Tt_category integer
     return value:

        TT_OK   The operation completed successfully.

        TT_ERR_NOMP
                The ttsession(1) process is not running  and  the
                ToolTalk service cannot restart it.

        TT_ERR_POINTER
                The pointer passed does not point to an object of
                the correct type for this operation.

SEE ALSO
     tt_c(5), tt_pattern_category_set(3), tt_int_error(3).

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