It's not really used, and the OSD uses a different API.
The specified calling convention (stdcall) is also incorrect since
variadic functions are caller-clean, not callee-clean. The compilers
ignore the stdcall and just use cdecl (I think), though it does trigger
a -Wcast-calling-convention on clang.
(they were crashing with the new Gif rewrite... shouldn't anymore)
Although Jake had added the new "GSgifTransfer" callback to these plugins in the past, he forgot to modify the .def files so pcsx2 can actually use them :p
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4832 96395faa-99c1-11dd-bbfe-3dabce05a288