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GEN-CTL-IO(1)                       libctl                       GEN-CTL-IO(1)

NAME
       gen-ctl-io - generate C interface code for libctl control files

SYNOPSIS
       gen-ctl-io [OPTION]... [spec-file]

DESCRIPTION
       gen-ctl-io generates C code to import/export the input/output variables
       used in a libctl control file.  gen-ctl-io generates files like ctl-
       io.h and ctl-io.c.  These files define global variables, data
       structures, and functions for the input/output variables, classes, and
       function interfaces defined in the spec-file argument, automating the
       interaction between C and Guile.

       The arguments such as --code and --header are used to control whether
       ctl-io.c or ctl-io.h, etcetera, are generated.  If no argument is
       specified then both of these files are generated by default, for
       backwards compatibility.

       libctl is a free library to aid in interfacing scientific software with
       the GNU Guile scripting and extension language.  Documentation for it
       may be found online at the libctl home page:
       http://ab-initio.mit.edu/libctl

OPTIONS
       --code Generate C (or C++) source code to implement the Guile interface
              functions.  The default output file name is ctl-io.c (in C) or
              ctl-io.cpp (in C++).

       --header
              Generate the header file declaring the interface data types and
              functions. The default output file name is ctl-io.h (in C) or
              ctl-io.hpp (in C++).

       --swig Generate a SWIG interface definition file declaring automatic
              conversions for the various libctl data types.  The default
              output file name is ctl-io.i.

       --cxx  Generate C++ code instead of C code.

       -o file
              Use file as the output file name instead of the defaults
              (above).

BUGS
       Send bug reports to S. G. Johnson, stevenj@alum.mit.edu.

AUTHORS
       Written by Steven G. Johnson.

libctl                          March 27, 2006                   GEN-CTL-IO(1)