Function cairo_sys::cairo_mesh_pattern_curve_to

pub unsafe extern "C" fn cairo_mesh_pattern_curve_to(
    pattern: *mut cairo_pattern_t,
    x1: c_double,
    y1: c_double,
    x2: c_double,
    y2: c_double,
    x3: c_double,
    y3: c_double,
)