pub unsafe extern "C" fn glReplacementCodeuiTexCoord2fNormal3fVertex3fSUN(
    rc: GLuint,
    s: GLfloat,
    t: GLfloat,
    nx: GLfloat,
    ny: GLfloat,
    nz: GLfloat,
    x: GLfloat,
    y: GLfloat,
    z: GLfloat
)