/******************************************************************************
             Copyright (c) 1999 Unigraphics Solutions, Inc.
                       Unpublished - All Rights Reserved

*******************************************************************************/
/* The code in the following example queries the number of boundaries,
and the tags of the boundaries. */
#include <stdio.h>
#include <uf.h>
#include <uf_assem.h>
#include <uf_defs.h>
#include <uf_drf.h>
#include <uf_obj.h>
#include <uf_object_types.h>
#include <uf_part.h>
void ufusr(char *param, int *retcod, int param_len)
{
    int                   ifail = 0;
    int                   type, subtype, num_boundaries;
    tag_t                 boundary_tag = NULL_TAG;
    tag_p_t               boundary_tags;
    char                  error_message[133] = "";
    /* Initialize UG/Open API. */
    ifail = UF_initialize();
    /* Get an annotation type */
    ifail = UF_OBJ_cycle_objs_in_part( UF_ASSEM_ask_work_part(),
                                       UF_drafting_entity_type,
                                       &boundary_tag );
    while( !ifail && boundary_tag )
    {
        /* Get object subtype */
        ifail = UF_OBJ_ask_type_and_subtype( boundary_tag, &type,
                                             &subtype );
        if( !ifail && ( subtype == UF_draft_crosshatch_subtype ||
                        subtype == UF_draft_area_fill_subtype ||
                        subtype == UF_draft_solid_fill_subtype ))
        {
            ifail = UF_DRF_ask_boundaries( boundary_tag,
                                           &num_boundaries,
                                           &boundary_tags );
        }
        /* Find the tag of next drafting entity. */
        if ( !ifail )
            ifail = UF_OBJ_cycle_objs_in_part(
                                         UF_ASSEM_ask_work_part(),
                                         UF_drafting_entity_type,
                                         &boundary_tag );
    }
    printf( "UF_DRF_ask_boundaries sample " );
    if( ifail )
    {
        ifail = UF_get_fail_message( ifail, error_message );
        printf( "fails.\nError is: %s\n", error_message );
    }
    else
        printf( "is successful.\n" );
  UF_terminate();
}