CPP_HBLKSIZE      545 gc/include/private/gc_priv.h # define HBLKSIZE ((word)CPP_HBLKSIZE)
CPP_HBLKSIZE      551 gc/include/private/gc_priv.h #define CPP_MAXOBJBYTES (CPP_HBLKSIZE/2)
CPP_HBLKSIZE      652 gc/include/private/gc_priv.h #define BITS_PER_HBLK (CPP_HBLKSIZE * 8)