[cvs-nhc98] Add getErrNo and mkIOError to standard interface file.

malcolm: Sun Feb 25 17:31:05 CET 2001 Update of /usr/src/master/nhc/include In directory hinken:/tmp/cvs-serv18593 Modified Files: FFI.T.hi FFI.hi Log Message: Add getErrNo and mkIOError to standard interface file.