support -Z

ksh: Remove symbol clash with libc

Rename local function twalk() to ksh_twak().
This is needed for installing interceptors in sanitizers.

Sponsored by <The NetBSD Foundation>

Stop using the register keyword in ksh(1)

ksh also does some strange things with it, like put it in argument lists.

No functional change intended.

PR bin/53237 ksh: remove register keyword by Nia

Stop using the register keyword in ksh(1)

ksh also does some strange things with it, like put it in argument lists.

No functional change intended.

PR bin/53237 ksh: remove register keyword by Nia Alarie

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ksh: Rename a local function tsearch to mytsearch

This removes a clash with well-known libc function tsearch(3) from POSIX.

This allows to build ksh against MSan.

The new name might not be perfect

ksh: Rename a local function tsearch to mytsearch

This removes a clash with well-known libc function tsearch(3) from POSIX.

This allows to build ksh against MSan.

The new name might not be perfect, but long term ksh should be switched to
the libc version.

Sponsored by <The NetBSD Foundation>

show more ...

ksh: Upgrade to C99 <stdbool.h>

This shell already used C99 functions.

ksh: Drop support for systems without <sys/stat.h>

In future the order of includes will be normalized with KNF.

No functional change intended.

Drop Ultrix support from ksh(1), a DEC UNIX for VAX

Reapply removal of code from 90ties for OS/2 Cygwin AIX HPUX SCOUnix

Added missing #endif terminator in emacs.c

Temporarily revert previous.

emacs.* gets wrong code in generation

Drop HP-UX support from ksh(1)

OK by <kre>

Remove os2 support in ksh(1)

OK by <kre>

Remove ancient cygwin support in ksh(1)

OK by <kre>

Don't use non-literal format strings.

NULL does not need a cast

Fix most of the -Wsign-compare issues.

Coverity CID 2993: Fix memory leak.

Coverity CID 1827: Plug memory leak.

warns=3
- remove param names from function decls
- sprinkle const
- rename shadowed variables
- XXX: there is a lot of fishy __UNCONST going on.

Add (unsigned char) casts to tolower/toupper and iscntrl calls.
Fixes PR 27593

Cleanup of ksh memory handling from OpenBSD, via Stefan Krueger in PR 24962.
Should also fix:
PR 8153
PR 13301
PR 15256
PR 25084

Homogenize usage messages: make the 'usage' word all lowercase, as this seems
to be the most common practice in our tree.

From OpenBSD:
date: 2000/11/21 22:41:03; author: millert; state: Exp; lines: +2 -1
Add missing break that broke 'kill -s SIGNAME', bug report #1495
Fix from Hiroyuki.HORINOKUCHI@nrj.ericsson.se

Add NetBSD RCS Ids.

change complete-list to first complete and then print a list,
also complete after '=' (dd), and ':' (ssh) and ` (backtick)
improvements from camield@openbsd.org. approved by perry and thorpej.

Fix various misspellings of compatible/compatibility.