Function glMapControlPointsNV 

pub unsafe extern "C" fn glMapControlPointsNV(
    target: GLenum,
    index: GLuint,
    type_: GLenum,
    ustride: GLsizei,
    vstride: GLsizei,
    uorder: GLint,
    vorder: GLint,
    packed: GLboolean,
    points: *const c_void,
)