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>

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ksh: Rename a local function tdelete to mytdelete

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

This allows to build ksh against MSan.

The new name might not be perfect

ksh: Rename a local function tdelete to mytdelete

This removes a clash with well-known libc function tdelete(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>

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Kill enough K&R cruft to build with clang again.

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.

ksh: Drop support for systems without functional waitpid(2)

ksh: Drop support for systems without handling shebang

ksh: Drop support for ISC UNIX

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

Remove os2 support in ksh(1)

OK by <kre>

PR/6764: Charles M. Hannum: `trap 0' does not work in ksh subshells. When
subshells exit normally, use unwind(LEXIT) instead of unwind(LLEAVE) so that
traps get executed.

Don't use non-literal format strings.

Coverity CID 2994: Don't leak memory in the perm case.

The following should print \"; from OpenBSD
$ cat << EOF
\"
EOF

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

Fixed wrong use of the <ctype.h> functions by adding an explicit conversion
to unsigned char. Approved by christos.

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

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.

Bring in pdksh-5.2.14-patches.2.
ChangeLog entry:
Mon Jan 29 10:12:31 NST 2001 Michael Rendell (michael@garfield.cs.mun.ca)
* c_exec.c(execute): added rv_prop flag to prevent if/while/for/...
in th

Bring in pdksh-5.2.14-patches.2.
ChangeLog entry:
Mon Jan 29 10:12:31 NST 2001 Michael Rendell (michael@garfield.cs.mun.ca)
* c_exec.c(execute): added rv_prop flag to prevent if/while/for/...
in the presence of "set -e" from causing the shell to exit.
Example:
set -e
(false && echo hi)
[exits shell though it shouldn't]
ChangeLog and example provided by pdksh maintainer, Michael Rendell.

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resolve conflicts

Delint.