coreaudio_sys::audio_unit::mach_msg

pub unsafe extern fn mach_msg(msg: *mut mach_msg_header_t, option: mach_msg_option_t, send_size: mach_msg_size_t, rcv_size: mach_msg_size_t, rcv_name: mach_port_name_t, timeout: mach_msg_timeout_t, notify: mach_port_name_t) -> mach_msg_return_t