lint is dead: delete useless LINTLIBRARY comments

ok millert@

All these files include <stdlib.h>, so do not need to cast
malloc/calloc/realloc* returns.

lint is dead (long live the lint!), so stop using it as a cpp conditional
(namespace pollution!) or talking about its opinion on code.

ok krw@

Revert previous diff as it resulted in the wrong return code when
the last node is deleted. Instead, resolve the Coverity warning
by returning (node *)1 when you delete the root node.

based an idea

Revert previous diff as it resulted in the wrong return code when
the last node is deleted. Instead, resolve the Coverity warning
by returning (node *)1 when you delete the root node.

based an idea from millert@. ok otto@

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When tdelete() is used to delete the root node, don't return a
pointer to the freed root node, but return a pointer to the new
root node. POSIX does not define, what should be returned in
that case.

When tdelete() is used to delete the root node, don't return a
pointer to the freed root node, but return a pointer to the new
root node. POSIX does not define, what should be returned in
that case.

Fixes Coverity CID 2528.

ok millert@ otto@

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ansi + de-register

ok otto deraadt

add some missing $, ok djm@ 'That looks fine to me' millert@

Part one of userland __P removal. Done with a simple regexp with some minor hand editing to make comments line up correctly. Another pass is forthcoming that handles the cases that could not be don

Part one of userland __P removal. Done with a simple regexp with some minor hand editing to make comments line up correctly. Another pass is forthcoming that handles the cases that could not be done automatically.

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Include <stdlib.h> for malloc() proto.

PD tsearch as reqd by xpg; by esr