HBLKSIZE          541 gc/include/private/gc_priv.h # undef HBLKSIZE
HBLKSIZE          545 gc/include/private/gc_priv.h # define HBLKSIZE ((word)CPP_HBLKSIZE)
HBLKSIZE         1747 gc/include/private/gcconfig.h #   define HBLKSIZE 4096
HBLKSIZE         1897 gc/include/private/gcconfig.h #     define HBLKSIZE 4096