ntfs_runlists_merge
*rl = ntfs_runlists_merge(na->rl, rlc);
rln = ntfs_runlists_merge(na->rl, rl);
rl = ntfs_runlists_merge(mft_na->rl, rl2);
rl = ntfs_runlists_merge(mftbmp_na->rl, rl2);
old_rl = ntfs_runlists_merge(old_rl, rl);
res = ntfs_runlists_merge(drl, srl);
extern runlist_element *ntfs_runlists_merge(runlist_element *drl,