Function libpulse_sys::context::introspect::pa_context_send_message_to_object

pub unsafe extern "C" fn pa_context_send_message_to_object(
    c: *mut pa_context, 
    recipient_name: *const c_char, 
    message: *const c_char, 
    message_parameters: *const c_char, 
    cb: pa_context_string_cb_t, 
    userdata: *mut c_void
) -> *mut pa_operation

This is supported on crate feature pa_v15 only.