28 #if !defined(_SPANDSP_FAX_MODEMS_H_)
29 #define _SPANDSP_FAX_MODEMS_H_
55 #if defined(__cplusplus)
61 SPAN_DECLARE_NONSTD(
int) fax_modems_v17_v21_rx(
void *user_data, const int16_t amp[],
int len);
62 SPAN_DECLARE_NONSTD(
int) fax_modems_v27ter_v21_rx(
void *user_data, const int16_t amp[],
int len);
63 SPAN_DECLARE_NONSTD(
int) fax_modems_v29_v21_rx(
void *user_data, const int16_t amp[],
int len);
75 hdlc_frame_handler_t hdlc_accept,
76 hdlc_underflow_handler_t hdlc_tx_underflow,
79 tone_report_func_t tone_callback,
86 #if defined(__cplusplus)