optarg/optind moved unitsd.h
<unistd.h> used to include time.h, and no longer does
4.4BSD snapshot (revision 8.1)
4.4BSD snapshot (revision 8.1); add 1993 to copyright
integrate into 4.4BDS
date and time created 93/06/11 14:50:45 by bostic
date and time created 93/06/11 14:50:01 by bostic
integarte into 4.4BSD
date and time created 93/06/11 14:49:16 by bostic
fix the keywords
date and time created 93/06/11 14:44:43 by bostic
integrate into 4.4BSD
date and time created 93/06/11 11:28:14 by bostic
date and time created 93/06/10 11:09:54 by bostic
date and time created 93/06/10 11:09:51 by bostic
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