Function glu_sys::glu::glMap2d

pub unsafe extern "C" fn glMap2d(
    target: GLenum, 
    u1: GLdouble, 
    u2: GLdouble, 
    ustride: GLint, 
    uorder: GLint, 
    v1: GLdouble, 
    v2: GLdouble, 
    vstride: GLint, 
    vorder: GLint, 
    points: *const GLdouble
)