_ReadRLE8
ret = _ReadRLE8((uint8*)row, rleBuffer, fWidth);
if ((fARLELength = _ReadRLE8(arleRow, fWidth)) < B_OK) {
ssize_t _ReadRLE8(uint8* row, int32 numPixels) const;
ssize_t _ReadRLE8(uint8* row, uint8* rleBuffer, int32 numPixels) const;