Function allegro_primitives_sys::allegro_primitives::al_calculate_arc

pub unsafe extern "C" fn al_calculate_arc(
    dest: *mut c_float, 
    stride: c_int, 
    cx: c_float, 
    cy: c_float, 
    rx: c_float, 
    ry: c_float, 
    start_theta: c_float, 
    delta_theta: c_float, 
    thickness: c_float, 
    num_segments: c_int
)