smb_auth_md4
extern int smb_auth_md4(unsigned char *, unsigned char *, int);
rc = smb_auth_md4(hash, (unsigned char *)unicode_password, length);
rc = smb_auth_md4(session_key, ntlm_hash, SMBAUTH_HASH_SZ);
(void) smb_auth_md4(session_key, smbpw->pw_nthash,