Fix argument handling bug in socket(f,t,p) call.
Fix some comments.

Hope the best for MPW 3.

are the same -- 0 and 0.0 compare equal but should be considered different
here!

if other users present in queue.

Print ';' instead of ',' between file and line for MPW.

Remove superfluous err_nomem() call
,

Remove superfluous err_nomem() call