Function XPLMDrawString 

pub unsafe extern "C-unwind" fn XPLMDrawString(
    inColorRGB: *mut f32,
    inXOffset: c_int,
    inYOffset: c_int,
    inChar: *mut c_char,
    inWordWrapWidth: *mut c_int,
    inFontID: XPLMFontID,
)