Encabezado
Se deben usar las definiciones siguientes al leer y escribir directamente el encabezado binario.
Nota
Actualmente no se admiten flujos de datos comprimidos y, por tanto, no se detallan aquí.
#define XOFFILE_FORMAT_MAGIC \
((long)'x' + ((long)'o' << 8) + ((long)'f' << 16) + ((long)' ' << 24))
#define XOFFILE_FORMAT_VERSION \
((long)'0' + ((long)'3' << 8) + ((long)'0' << 16) + ((long)'2' << 24))
#define XOFFILE_FORMAT_BINARY \
((long)'b' + ((long)'i' << 8) + ((long)'n' << 16) + ((long)' ' << 24))
#define XOFFILE_FORMAT_TEXT \
((long)'t' + ((long)'x' << 8) + ((long)'t' << 16) + ((long)' ' << 24))
#define XOFFILE_FORMAT_COMPRESSED \
((long)'c' + ((long)'m' << 8) + ((long)'p' << 16) + ((long)' ' << 24))
#define XOFFILE_FORMAT_FLOAT_BITS_32 \
((long)'0' + ((long)'0' << 8) + ((long)'3' << 16) + ((long)'2' << 24))
#define XOFFILE_FORMAT_FLOAT_BITS_64 \
((long)'0' + ((long)'0' << 8) + ((long)'6' << 16) + ((long)'4' << 24))