DONT_KNOW         118 gc/reclaim.c   # define GC_block_nearly_full1(hhdr, pat1) DONT_KNOW
DONT_KNOW         119 gc/reclaim.c   # define GC_block_nearly_full3(hhdr, pat1, pat2) DONT_KNOW
DONT_KNOW         120 gc/reclaim.c   # define GC_block_nearly_full(hhdr) DONT_KNOW
DONT_KNOW         196 gc/reclaim.c         return DONT_KNOW;
DONT_KNOW         226 gc/reclaim.c         return DONT_KNOW;	/* Shouldn't be used in any standard config.	*/
DONT_KNOW         251 gc/reclaim.c   	  return DONT_KNOW;
DONT_KNOW         277 gc/reclaim.c   	  return DONT_KNOW;