MEDIUM_BLOCKS_PAGE_FIRST_GAP_START  530 maint/gnulib/lib/ssfmalloc.h   (MEDIUM_BLOCKS_PAGE_LAST_GAP_END - MEDIUM_BLOCKS_PAGE_FIRST_GAP_START)
MEDIUM_BLOCKS_PAGE_FIRST_GAP_START  544 maint/gnulib/lib/ssfmalloc.h   pageptr->gaps[0].start = MEDIUM_BLOCKS_PAGE_FIRST_GAP_START;