pub unsafe extern "C" fn graphene_vec2_scale(
v: *const graphene_vec2_t,
factor: c_float,
res: *mut graphene_vec2_t,
)
pub unsafe extern "C" fn graphene_vec2_scale(
v: *const graphene_vec2_t,
factor: c_float,
res: *mut graphene_vec2_t,
)