h_end            2670 gc/os_dep.c        struct hblk * h_end;    /* Page boundary following block end */
h_end            2676 gc/os_dep.c        h_end = (struct hblk *)(((word)(h + nblocks) + GC_page_size-1)
h_end            2679 gc/os_dep.c        for (current = h_trunc; current < h_end; ++current) {
h_end            2686 gc/os_dep.c        UNPROTECT(h_trunc, (ptr_t)h_end - (ptr_t)h_trunc);