load_trace
extern const char *load_trace(Lm_list *, Pdesc *, Rt_map *, Fdesc *);
if (load_trace(lml, pdp, clmp, &fd) == NULL)
if (load_trace(lml, &pd, clmp, &fd) == NULL)
if (load_trace(lml, pdp, clmp, &fd) == NULL)