Function libmosquitto_sys::mosquitto_subscribe_callback
source · pub unsafe extern "C" fn mosquitto_subscribe_callback(
callback: Option<unsafe extern "C" fn(arg1: *mut mosquitto, arg2: *mut c_void, arg3: *const mosquitto_message) -> c_int>,
userdata: *mut c_void,
topic: *const c_char,
qos: c_int,
host: *const c_char,
port: c_int,
client_id: *const c_char,
keepalive: c_int,
clean_session: bool,
username: *const c_char,
password: *const c_char,
will: *const libmosquitto_will,
tls: *const libmosquitto_tls
) -> c_int