File open mode constants

On Windows: 日本代购
const sale
fmCreate = $FFFF; FF11 RMT
fmOpenRead = $0000;
fmOpenWrite = $0001;
fmOpenReadWrite = $0002;

fmShareCompat = $0000 platform;
fmShareExclusive = $0010;
fmShareDenyWrite = $0020;
fmShareDenyRead = $0030 platform;
fmShareDenyNone = $0040;

On Linux:
const
fmOpenRead = O_RDONLY;
fmOpenWrite = O_WRONLY;
fmOpenReadWrite = O_RDWR;
fmShareExclusive = $0010;
fmShareDenyWrite = $0020;
fmShareDenyNone = $0030;