Fix stc compiler warnings
(as well some bugs detected by the warnings)
@REM -------@REM make using microsoft visual c@REM type vcmake, and wait...@REM do not edit - automatically generated from ProjectDefinition@REM -------@if not defined VSINSTALLDIR ( call ..\rules\vcsetup.bat)make.exe -N -f bc.mak -DUSEVC %1 %2