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                       Unpublished - All Rights Reserved

*******************************************************************************/
/* The code in the following example queries the number of blocks of
the drafting aid. */
#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                           num_block[5];
    tag_t                         draft_aid_tag = NULL_TAG;
    char                          error_message[133] = "";
    /* Initialize User Function. */
    ifail = UF_initialize();
    /* Find the tag to a drafting entity. */
    ifail = UF_OBJ_cycle_objs_in_part( UF_ASSEM_ask_work_part(),
                                       UF_drafting_entity_type,
                                       &draft_aid_tag );
    if( !ifail && draft_aid_tag )
    {
        /* Get number of blocks. */
        ifail = UF_DRF_ask_number_blocks( draft_aid_tag,
                                          num_block);
    }

    printf( "UF_DRF_ask_number_blocks 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();
}