Function fltk::gl::glMap2f

pub unsafe extern "C" fn glMap2f(
    target: u32, 
    u1: f32, 
    u2: f32, 
    ustride: i32, 
    uorder: i32, 
    v1: f32, 
    v2: f32, 
    vstride: i32, 
    vorder: i32, 
    points: *const f32
)