/*DEBUG5("Recurse on child %d of %p to remove %.*s (prefix=%d)",
pos, (void*)p_child, key+offset, key_len-offset,offset);*/
TRY(_gras_dictelm_remove_rec(p_child, key, key_len, offset));
/*DEBUG5("Recurse on child %d of %p to remove %.*s (prefix=%d)",
pos, (void*)p_child, key+offset, key_len-offset,offset);*/
TRY(_gras_dictelm_remove_rec(p_child, key, key_len, offset));