TZUTC: -0800
MSGID: 53881.syncprog@1:103/705 2dbd0a6b
PID: Synchronet 3.21a-Linux master/48922a15c Dec 17 2025 GCC 12.2.0
TID: SBBSecho 3.34-Linux master/8bb133aa7 Dec 30 2025 GCC 12.2.0
BBSID: VERT
CHRS: UTF-8 4
FORMAT: flowed
https://gitlab.synchro.net/main/sbbs/-/commit/f1732d3cfd0399cda4cf82e1
Modified Files:
	src/conio/ciolib.c ciolib.h win32gdi.c
Log Message:
Fix mouse in GDI mode.

Add ciolib_ungetch_byte() which will *not* convert 0xe0 to a literal
0xe0 when it ungets it.

With kbwait(), in GDI mode, a single byte was read from the pipe, then
passed to ungetch(). The mouse key is a two-byte sequence starting
with 0xe0. It would read the 0xe0, then unget it which would end up
doing hilarious things.

No short wrapper or driver override for this function since it's just
for this specific purpose.
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