Function gtk_sys::gtk_paint_hline

pub unsafe extern "C" fn gtk_paint_hline(
    style: *mut GtkStyle, 
    cr: *mut cairo_t, 
    state_type: GtkStateType, 
    widget: *mut GtkWidget, 
    detail: *const c_char, 
    x1: c_int, 
    x2: c_int, 
    y: c_int
)