GC_push_next_marked_uncollectable 1419 gc/include/private/gc_priv.h struct hblk * GC_push_next_marked_uncollectable GC_PROTO((struct hblk * h)); GC_push_next_marked_uncollectable 324 gc/mark.c scan_ptr = GC_push_next_marked_uncollectable(scan_ptr);