X11R4 on SCO UNIX -- some sources needed

[Michael Zuelsdorff]

hello,
i have just ported?! a X386 server that was originally compiled on an
ISC system to SCO Unix with some binary!! patches (not enough disk space,
to get the whole sources in !). the server runs nearly fine -- up to the
point, when a client gets killed: then the connection to the controlling
tty seems to be broken, the server idles in "WaitforSomething" (no, the
executable is not stripped   )
Can anyone help me with to get (only) the relevant source files with
SCO patches maybe to signal or pipe handling ?
thanks in advance.
micha