Function graphene_sys::graphene_matrix_init_frustum

pub unsafe extern "C" fn graphene_matrix_init_frustum(
    m: *mut graphene_matrix_t, 
    left: c_float, 
    right: c_float, 
    bottom: c_float, 
    top: c_float, 
    z_near: c_float, 
    z_far: c_float
) -> *mut graphene_matrix_t