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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 struc‐
       tures, and functions for the input/output variables, classes, and func‐
       tion  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 spec‐
       ified 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-ini‐
       tio.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 out‐
	      put 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)

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