problems with PHIGS pescape function

[Juergen Henke]

I'm posting this for a colleague of mine, which has no news access...

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Can anybody help me with the Phigs function 'pescape'?

I'm working with DECPhigs V2.2 on a DECstation 5000 and need
to get the window identifieres. My problem is now that I don't know
how to pass Arguments to the function 'pescape'.

Yes, i read the FM, and they say there:

     The syntax of the 'pescape' function 
     ====================================

     pescape(func_id, in, insize, out, outsize)
       Pint func_id;     /* Escape identifier, it's a define and passed by Valye */
       Pescapein in;     /* Input data for the function, passed by Reference */
       Pint insize;      /* Input escape data record, passed by Value */
       Pescapeout out;   /* Output data for the function, passed by Reference */
       Pint outsize;     /* Output escape data record, passed by Reference */


       Pescapein
       =========

       typedef union {
           Pesapeinrec0001    esc1_idatarec;     /* Escape input data record */
           Pint dot_dot_dot;  /* . . . */        /* More escape data structures */
       } Pescapein;

       
       Pescapeout
       ==========

       typedef union {
            Pescapeoutrec0001  esc1_odatarec;     /* Escape output data record */
            Pint dot_dot_dot;  /* . . . */        /* More escape data structures */
       } Pescapeout;


            typedef struct {
                Pint dot_dot_dot;   /* . . . */   /* implementation dependent */ 
            } Pescapeoutrec0001;


            typedef int Pint;


I have problems getting this function to work, because - i presume - i do
something wrong when supplying the needed data to the function via
Pescapein in. I tried putting in the data via an array, but get
core dumps... :-(

Thanks, Achmed.

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_________________________________________________________________________
Juergen Henke, e-mail juh at qt.IPA.FhG.de, PSI-mail PSI%4505016002::JUH_IPA
Fraunhofer-Institut f. Produktionstechnik u. Automatisierung
Nobelstrasse 12, D-7000 Stuttgart 80