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                       Unpublished - All Rights Reserved

*******************************************************************************/
/* The code in the following example queries the label information. */
#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)
{
    char                          error_message[133] = "";
    int                           ifail = 0;
    int                           type, subtype;
    tag_t                         label_tag = NULL_TAG;
    double                        label_origin[ 3 ];
    UF_DRF_label_info_t           *label_info;
    /* Initialize User Function. */
    ifail = UF_initialize();
    /* Find the tag to a dimension entity. */
    ifail = UF_OBJ_cycle_objs_in_part( UF_ASSEM_ask_work_part(),
                                       UF_drafting_entity_type,
                                       &label_tag );
    /* Find the tag of an ordinate dimension. */
    while( !ifail && label_tag )
    {
        ifail = UF_OBJ_ask_type_and_subtype( label_tag, &type,
                                             &subtype );
        /* Test type for the label. */
        if( !ifail && subtype == UF_draft_label_subtype )
        {
            /* Retrieve the label information. */
            ifail = UF_DRF_ask_label_info ( label_tag,
                                            &label_origin[ 0 ],
                                            &label_info );
            /* Free label information memory. */
            if( !ifail )
                UF_DRF_free_label( &label_info );
        }
        /* 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,
                                         &label_tag );
    }
    printf( "UF_DRF_ask_label_info 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();
}