Remove NULL-checks before free() and unnecessary argument casts.

ok tb@

Remove NULL-checks before free() and a few related dead assignments.

ok and valuable input from millert@

Wrap <langinfo.h> and <regexp.h> so internal calls go direct and
the symbols are weak

silence some warnings by adding prototypes, casts, and headers as
appropriate. in regex, stop using the struct hack for a fixed size array

zap rcsid

remove useless comments, once used for header file generation and delete
parameter names from prototypes. ok millert@

ansify and deregister; no change in obj code. ok millert@

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rescinded 22 July 1999.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

- cast usages of *printf() to void since we don't check return val
- move an assert to be *before* a strcpy() where it can do some good.
- integrate NetBSD fixes for 64-bit machines (NetBSD PR #3450,

- cast usages of *printf() to void since we don't check return val
- move an assert to be *before* a strcpy() where it can do some good.
- integrate NetBSD fixes for 64-bit machines (NetBSD PR #3450, Ross Harvey)
- add lite2 tags

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

initial import of NetBSD tree