Function PhidgetLCD_drawRect_async 

pub unsafe extern "C" fn PhidgetLCD_drawRect_async(
    ch: PhidgetLCDHandle,
    x1: c_int,
    y1: c_int,
    x2: c_int,
    y2: c_int,
    filled: c_int,
    inverted: c_int,
    fptr: Phidget_AsyncCallback,
    ctx: *mut c_void,
)