pub unsafe extern "C" fn glMap2xOES(
    target: GLenum,
    u1: GLfixed,
    u2: GLfixed,
    ustride: GLint,
    uorder: GLint,
    v1: GLfixed,
    v2: GLfixed,
    vstride: GLint,
    vorder: GLint,
    points: GLfixed
)