RPCGEN(1) BSD General Commands Manual RPCGEN(1)NAMErpcgen — an RPC protocol compiler
rpcgen-c | -h | -l | -m [-o outfile] [infile]
rpcgen-s transport [-o outfile] [infile]
DESCRIPTIONrpcgen is a tool that generates C code to implement an RPC protocol. The
input to rpcgen is a language similar to C known as RPC Language (Remote
Procedure Call Language). Information about the syntax of RPC Language
is available in the Rpcgen Programming Guide.
-c Compile into XDR routines.
-h Compile into C data-definitions (a header file)
-l Compile into client-side stubs.
-m Compile into server-side stubs, but do not generate a main rou‐
tine. This option is useful for doing callback-routines and for
people who need to write their own main routine to do initializa‐
Specify the name of the output file. If none is specified, stan‐
dard output is used (-c, -h, -l and -s modes only).
Compile into server-side stubs, using the given transport. The
supported transports are UDP and TCP. This option may be invoked
more than once so as to compile a server that serves multiple
rpcgen is normally used as in the first synopsis where it takes an input
file and generates four output files. If the infile is named proto.x,
then rpcgen will generate a header file in proto.h, XDR routines in
proto_xdr.c, server-side stubs in proto_svc.c, and client-side stubs in
The other synopses shown above are used when one does not want to gener‐
ate all the output files, but only a particular one. Their usage is
described in the USAGE section below.
The C-preprocessor, cpp(1), is run on all input files before they are
actually interpreted by rpcgen, so all the cpp directives are legal
within an rpcgen input file. For each type of output file, rpcgen
defines a special cpp symbol for use by the rpcgen programmer:
RPC_HDR defined when compiling into header files
RPC_XDR defined when compiling into XDR routines
RPC_SVC defined when compiling into server-side stubs
RPC_CLNT defined when compiling into client-side stubs
In addition, rpcgen does a little preprocessing of its own. Any line
beginning with ‘%’ is passed directly into the output file, uninterpreted
You can customize some of your XDR routines by leaving those data types
undefined. For every data type that is undefined, rpcgen will assume
that there exists a routine with the name xdr_ prepended to the name of
the undefined type.
Rpcgen Programming Guide, Sun Microsystems.
Nesting is not supported. As a work-around, structures can be declared
at top-level, and their name used inside other structures in order to
achieve the same effect.
Name clashes can occur when using program definitions, since the apparent
scoping does not really apply. Most of these can be avoided by giving
unique names for programs, versions, procedures and types.
December 30, 1993