fAmtRead
fAmtRead = fFile->Read(&fBuffer, sizeof(fBuffer));
while (fAmtRead > 0) {
int32 remainingLength = fAmtRead - fPositionInBuffer;
fPositionInBuffer += (appendLength + 1) % fAmtRead;
fAmtRead = fFile->Read(&fBuffer, sizeof(fBuffer));
ssize_t fAmtRead;
ssize_t fAmtRead;