This document is intended to assist application programmers designing distributed client/server applications whose server component is portable to all conformant systems. Readers must be experienced C-language programmers. Programmers writing applications to implement an LMX server should have read the complementary volume Protocols for X/Open PC Interworking: SMB, Version 2 (C209). -This document is intended to assist application programmers designing distributed client/server applications whose server component is portable to all conformant systems. Readers must be experienced C-language programmers. Programmers writing applications to implement an LMX server should have read the complementary volume Protocols for X/Open PC Interworking: SMB, Version 2 (C209).