&reftitle.constants; &extension.constants; IFX_SCROLL (integer) IFX_HOLD (integer) IFX_LO_RDONLY (integer) IFX_LO_WRONLY (integer) IFX_LO_APPEND (integer) IFX_LO_RDWR (integer) IFX_LO_BUFFER (integer) IFX_LO_NOBUFFER (integer)