GLOBUS_XIO_GRIDFTP_SET_TCP_BUFFER(3) on Linux

The text deb330b3370e, as Debian 11 (Bullseye) shipped it.

Globus XIO GRIDFTP Client Driver - Globus XIO GRIDFTP Client Driver.

GLOBUS_XIO_GRIDFTP_SET_TCP_BUFFER(3) on Linux now