.Dd 6/12/14 .Dt mptcp_client 1 .Os Darwin .Sh NAME .Nm mptcp_client .Nd Tool to exercise MPTCP. .Sh SYNOPSIS .Nm .Ar hostname .Ar port .Ar reqlen .Ar rsplen .Ar times .Ar alt_addr .Ar 0 .Ar connorder .Ar longlived .Ar fastjoin .Sh DESCRIPTION .Nm is as an MPTCP client test tool that use the .Xr socket 2 API.