shm_open(), sysconf(), tcflow(), and tcsendbreak() are not permitted to be
cancellation points in POSIX, so change them to invoke the non-cancellation
point versions of open(), close(), nanosleep(),

shm_open(), sysconf(), tcflow(), and tcsendbreak() are not permitted to be
cancellation points in POSIX, so change them to invoke the non-cancellation
point versions of open(), close(), nanosleep(), and write()

ok deraadt@ millert@

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zap rcsid

ansification; checked by pval

Remove the advertising clause in the UCB license which Berkeley
rescinded 22 July 1999. Proofed by myself and Theo.

Fix RCS ids
Make sure everything uses {SYS,}LIBC_SCCS properly

initial import of NetBSD tree