TCPOPT_WINDOW    2657 net/pf.c       		case TCPOPT_WINDOW:
TCPOPT_WINDOW     211 net/pf_osfp.c  			case TCPOPT_WINDOW:
TCPOPT_WINDOW    2290 netinet/tcp_input.c 		case TCPOPT_WINDOW:
TCPOPT_WINDOW    4259 netinet/tcp_input.c 		    TCPOPT_WINDOW << 16 | TCPOLEN_WINDOW << 8 |
TCPOPT_WINDOW     576 netinet/tcp_output.c 					TCPOPT_WINDOW << 16 |