/*
   * dsp_hwec.h
   */
  
  extern struct mISDN_dsp_element *dsp_hwec;
  extern void dsp_hwec_enable(struct dsp *dsp, const char *arg);
  extern void dsp_hwec_disable(struct dsp *dsp);
  extern int  dsp_hwec_init(void);
  extern void dsp_hwec_exit(void);