LZ4_COPYSTEP
# define LZ4_COPYPACKET(s,d) LZ4_COPYSTEP(s,d)
# define LZ4_COPYPACKET(s,d) LZ4_COPYSTEP(s,d); LZ4_COPYSTEP(s,d);
} else { LZ4_COPYSTEP(ref,op); }
# define LZ4_COPYPACKET(s,d) LZ4_COPYSTEP(s,d)
# define LZ4_COPYPACKET(s,d) LZ4_COPYSTEP(s,d); LZ4_COPYSTEP(s,d);
} else { LZ4_COPYSTEP(ref,op); }
# define LZ4_COPYPACKET(s,d) LZ4_COPYSTEP(s,d)
# define LZ4_COPYPACKET(s,d) LZ4_COPYSTEP(s,d); LZ4_COPYSTEP(s,d);
} else { LZ4_COPYSTEP(ref,op); }