memset (regset, '\0', sizeof (*regset));
pid_t pid = ps_getpid (th->th_ta_p->ph); if (ps_lgetfpregs (th->th_ta_p->ph, pid, regset) != PS_OK) return TD_ERR;
td_thr_getfpregs (const td_thrhandle_t *th, prfpregset_t *regset){  struct _pthread_descr_struct pds;  LOG ("td_thr_getfpregs");  if (th->th_unique == NULL)    {      memset (regset, '\0', sizeof (*regset));      return TD_OK;    }  /* We have to get the state and the PID for this thread.  */  if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,		 sizeof (struct _pthread_descr_struct)) != PS_OK)    return TD_ERR;  /* If the thread already terminated we return all zeroes.  */  if (pds.p_terminated)    memset (regset, '\0', sizeof (*regset));  /* Otherwise get the register content through the callback.  */  else    {      pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);      if (ps_lgetfpregs (th->th_ta_p->ph, pid, regset) != PS_OK)	return TD_ERR;    }  return TD_OK;}