Interfaces to standard levels of the RPC package provide increasing control over RPC communications. Programs that use this control are more complex. Effective programming at these lower levels requires more knowledge of computer network fundamentals. The top, intermediate, expert, and bottom levels are part of the standard interfaces.
This section describes how to control RPC details by using lower levels of the RPC library. For example, you can select the transport protocol, which can be done at the simplified interface level only through the NETPATH variable. You should be familiar with the top-level interface (TLI) in order to use these routines.
The routines shown below cannot be used through the simplified interface because they require a transport handle. For example, there is no way to allocate and free memory while serializing or deserializing with XDR routines at the simplified interface.
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