Function cursor_at

ds4.c:1714–1722

                ds4_expert_profile_write_layer(fp, il);
                fputs(il + 1u == p->n_layer ? "\n" : ",\n", fp);
            }
            fputs("  ]\n}\n", fp);

            if (fclose(fp) != 0) {
                fprintf(stderr,
                        "ds4: failed to close expert profile output %s: %s\n",
                        p->path,
                        strerror(errno));
            } else {
                fprintf(stderr,
                        "ds4: wrote Metal expert locality profile to %s "
                        "(%" PRIu64 " layer records, %" PRIu64 " selections)\n",