/* foo.h -- interface to the libfoo library Copyright (C) 1996-1999 Free Software Foundation, Inc. Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 This file is part of GNU Libtool. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ /* Only include this header file once. */ #ifndef _FOO_H_ #define _FOO_H_ 1 /* At some point, cygwin will stop defining __CYGWIN32__, but b19 and * earlier do not define __CYGWIN__. This snippit allows us to check * for __CYGWIN32__ reliably for both old and (probable) future releases. */ #ifdef __CYGWIN__ # ifndef __CYGWIN32__ # define __CYGWIN32__ # endif #endif /* __BEGIN_DECLS should be used at the beginning of your declarations, so that C++ compilers don't mangle their names. Use __END_DECLS at the end of C declarations. */ #undef __BEGIN_DECLS #undef __END_DECLS #ifdef __cplusplus # define __BEGIN_DECLS extern "C" { # define __END_DECLS } #else # define __BEGIN_DECLS /* empty */ # define __END_DECLS /* empty */ #endif /* LTDL_PARAMS is a macro used to wrap function prototypes, so that compilers that don't understand ANSI C prototypes still work, and ANSI C compilers can issue warnings about type mismatches. */ #undef LTDL_PARAMS #if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(__CYGWIN32__) || defined(__cplusplus) # define LT_PARAMS(protos) protos # define lt_ptr_t void* #else # define LT_PARAMS(protos) () # define lt_ptr_t char* #endif #ifdef __CYGWIN32__ # ifdef LIBFOO_DLL /* need some (as yet non-existant) automake magic to tell * the object whether the libfoo it will be linked with is * a dll or not, ie whether LIBFOO_DLL is defined or not. */ # ifdef _LIBFOO_COMPILATION_ # define EXTERN __declspec(dllexport) # else # define EXTERN extern __declspec(dllimport) # endif # else # define EXTERN extern # endif #else # define EXTERN extern #endif /* Silly constants that the functions return. */ #define HELLO_RET 0xe110 #define FOO_RET 0xf00 /* Declarations. Note the wonderful use of the above macros. */ __BEGIN_DECLS int foo LT_PARAMS((void)); int hello LT_PARAMS((void)); EXTERN int nothing; __END_DECLS #endif /* !_FOO_H_ */