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NAME
     tt_otype_hsig_arg_mode - return the mode of an argument of a
     request signature of an otype

SYNOPSIS
     #include <Tt/tt_c.h>
     Tt_mode tt_otype_hsig_arg_mode(const char *otype,
                                    int sig,
                                    int arg);

DESCRIPTION
     The tt_otype_hsig_arg_mode() function returns  the  mode  of
     the  argth  argument  of  the sigth request signature of the
     given otype.

     The otype argument is  the  object  type  involved  in  this
     operation.   The  sig  argument is the zero-based index into
     the request signatures of  the  specified  otype.   The  arg
     argument  is  the zero-based index into the arguments of the
     specified signature.

RETURN VALUE
     Upon  successful  completion,  the  tt_otype_hsig_arg_mode()
     function  returns  a  value  that  determines who (sender or
     handler) writes and reads a message argument.  The following
     modes are defined:

        TT_IN   The argument is written by the sender and read by
                the handler and any observers.

        TT_OUT
                The argument is written by the handler  and  read
                by the sender and any reply observers.

        TT_INOUT
                The argument is written by  the  sender  and  the
                handler and read by all.

     The application can use tt_int_error(3) to  extract  one  of
     the  following  Tt_status  values  from  the Tt_mode 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_NUM
                The integer value  passed  was  invalid  (out  of
                range).

        TT_ERR_OTYPE
                The specified object type is not the name  of  an
                installed object type.

SEE ALSO
     tt_c(5), tt_otype_hsig_arg_type(3), tt_otype_hsig_count(3),
     tt_otype_hsig_args_count(3), tt_otype_hsig_op(3),
     tt_int_error(3).

Партнёры:

Хостинг: