PP2_VERSION
*buf = (PP2_VERSION << 4) | PP2_CMD_PROXY;
((header->ver_cmd & 0xF0)>>4) != PP2_VERSION) {
*buf = (PP2_VERSION << 4) | PP2_CMD_PROXY;
((header->ver_cmd & 0xF0)>>4) != PP2_VERSION) {
*buf = (PP2_VERSION << 4) | PP2_CMD_PROXY;
((header->ver_cmd & 0xF0)>>4) != PP2_VERSION) {