/*
The code in the following example retrieves the view display
 preference settings.
*/
#include <stdio.h>
#include <uf.h>
#include <uf_draw.h>
#include <uf_draw_types.h>
#include <uf_obj.h>
#include <uf_view.h>
void ufusr(char *param, int *retcod, int param_len)
{
    char                drawing_name [30] = "";
    char                view_name [30] = "";
    char                error_message[133] = "";
    tag_t               view_tag = NULL_TAG;
    int                 ifail = 0;
    UF_DRAW_view_prfs_t view_display_parms;
    ifail = UF_initialize();
    if (!ifail)
    {
        /* Get the first drawing's name. */
        ifail = uc6492 (drawing_name);
    {
    if (!ifail)
    {

        /* get the view name */
        ifail = uc6499 (drawing_name, view_name);
    if (!ifail)
    {
        /* Get the tag of the view. */
        ifail = UF_VIEW_ask_tag_of_view_name (view_name,
                                              &view_tag);
    }
    if (!ifail)
    {
        /* Retrieve the view's display parameter settings. */
        ifail = UF_DRAW_ask_view_display (view_tag,
                                          &view_display_parms);
    }
    printf ("UF_DRAW_ask_view_display 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();
}