Function R_GE_VText 

pub unsafe extern "C" fn R_GE_VText(
    x: f64,
    y: f64,
    s: *const c_char,
    enc: cetype_t,
    x_justify: f64,
    y_justify: f64,
    rotation: f64,
    gc: pGEcontext,
    dd: pGEDevDesc,
)