Type Alias cairo_read_func_t 

pub type cairo_read_func_t = Option<unsafe extern "C" fn(*mut c_void, *mut c_uchar, c_uint) -> cairo_status_t>;

Aliased Type

pub enum cairo_read_func_t {
    None,
    Some(unsafe extern "C" fn(*mut c_void, *mut u8, u32) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, *mut u8, u32) -> i32)

Some value of type T.