Function xcb::ffi::xproto::xcb_set_dashes_checked

pub unsafe extern "C" fn xcb_set_dashes_checked(
    c: *mut xcb_connection_t, 
    gc: xcb_gcontext_t, 
    dash_offset: u16, 
    dashes_len: u16, 
    dashes: *const u8
) -> xcb_void_cookie_t