pub unsafe extern "C" fn speex_echo_ctl(
st: *mut SpeexEchoState,
request: c_int,
ptr: *mut c_void,
) -> c_intExpand description
Used like the ioctl function to control the echo canceller parameters
@param st Echo canceller state @param request ioctl-type request (one of the SPEEX_ECHO_* macros) @param ptr Data exchanged to-from function @return 0 if no error, -1 if request in unknown