immediately and delete semaphore file.

Created valid_ctrl_a_code() which returns TRUE if the passed ctrl-a code is
valid (safe) for message networking, user input.
Only QWK-export valid ctrl-a codes.

This may slow down Win32 console mode slightly, but should fix problem
with cursor not moving during output pacing.

being converted to ^A^@(NUL).

timed event will execute in (default is any/all).

Constified the arguments.
Created exascii_to_ascii_char().
Created ctrl_a_to_ascii_char().
strip_ctrl() and prep_file_desc() now takes 2 args.
strip_ctrl(), strip_exascii() and prep_file_desc() now strdup() the input
string and if the dest arg is NULL, returns the allocated and modified copy.
sbbs_t::bputs() now handles ^AZ.
Change Ctrl-A code message network exporting:
1. ^AL, ^A<, ^A[, and ^A] are always translated to ASCII equivalents.
2. ^AZ will terminate the message body prematurely if found.
3. Ex-ASCII (CP437) chars will be translated to ASCII equivalents (rather than
'*') for "ASCII Only" subs.
For import, don't allow Ctrl-AP or Ctrl-AL.
For SBBSecho:
Added support for specifying a link's address on the command-line (e.g. for
use with -h).
Mail server now strips Ctrl-A codes from message bodies for sending via POP3
or SMTP.

supports buffers > 1024 bytes.

Use of SAFECOPY() instead of strcpy().
Remove some WIP support.

Fixed handling of Ctrl-A\x7F (invalid code).
Ctrl-A\x80 now translates to <ESC>[C rather than <ESC>[1C.
Ctrl-AL now translatest to <ESC>[2J<ESC>[H to more ANSI-correct.

Added <ESC>[B and <ESC>[D conversions to ASCII (LF and BS accordingly).

Use truncsp() and more sensible use of remove_ctrl_a() in quotestr().

varied widely by platform.

(accounting for the current console mode/status).

HEADER.DAT file in it's .rep packets (e.g. running v3.15a), the "NETMAIL" to
field would be over-ridden and the mail never routed.

brace style update.

column and leaving the row unchanged.

argument.

132 to support all modes and do proper wrapping.
For cterm, remove extra tab handling code, start tab sequence with 1,9
and other general tab fixes.

This seems to bring it into line with UNIX consoles and HyperTerminal.