/*
The code in the following internal UG/Open API example prints the
work plane emphasis dim color to standard out.
*/
#include <uf_defs.h>
#include <uf.h>
#include <uf_disp.h>
#include <stdio.h>
#define UF_CALL(X) (report( __FILE__, __LINE__, #X, (X)))
static int report( char *file, int line, char *call, int irc)
{
    if (irc)
    {
        char    messg[133];
        printf("%s, line %d:  %s\n", file, line, call);
        (UF_get_fail_message(irc, messg)) ?
            printf("    returned a %d\n", irc) :
            printf("    returned error %d:  %s\n", irc, messg);
    }
    return(irc);
}
static void do_ugopen_api(void)
{
  int color;
  char *color_name;
  double color_triples[3];

  UF_CALL(UF_DISP_ask_work_plane_dim_clr(&color));

  UF_CALL(UF_DISP_ask_color(color, UF_DISP_rgb_model,
                            &color_name, color_triples));
  printf("Work plane plane emphasis dim color is %s\n",
         color_name);

  UF_free(color_name);
}
/*ARGSUSED*/
void ufusr(char *param, int *retcode, int paramLen)
{
    if (!UF_CALL(UF_initialize()))
    {
        do_ugopen_api();
        UF_CALL(UF_terminate());
    }
}
int ufusr_ask_unload(void)
{
    return (UF_UNLOAD_IMMEDIATELY);
}