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files >> //opt/alt/ruby32/include/ruby/backward/2/stdarg.h
#ifndef RUBY_BACKWARD2_STDARG_H /*-*-C++-*-vi:se ft=cpp:*/ #define RUBY_BACKWARD2_STDARG_H /** * @file * @author Ruby developers <ruby-core@ruby-lang.org> * @copyright This file is a part of the programming language Ruby. * Permission is hereby granted, to either redistribute and/or * modify this file, provided that the conditions mentioned in the * file COPYING are met. Consult the file for details. * @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are * implementation details. Don't take them as canon. They could * rapidly appear then vanish. The name (path) of this header file * is also an implementation detail. Do not expect it to persist * at the place it is now. Developers are free to move it anywhere * anytime at will. * @note To ruby-core: remember that this header can be possibly * recursively included from extension libraries written in C++. * Do not expect for instance `__VA_ARGS__` is always available. * We assume C99 for ruby itself but we don't assume languages of * extension libraries. They could be written in C++98. * @brief Defines old #_ * * Nobody should ever use these macros any longer. No known compilers lack * prototypes today. It's 21st century. Just forget them. */ #undef _ /** * @deprecated Nobody practically needs this macro any longer. * @brief This was a transition path from K&R to ANSI. */ #ifdef HAVE_PROTOTYPES # define _(args) args #else # define _(args) () #endif #undef __ /** * @deprecated Nobody practically needs this macro any longer. * @brief This was a transition path from K&R to ANSI. */ #ifdef HAVE_STDARG_PROTOTYPES # define __(args) args #else # define __(args) () #endif /** * Functions declared using this macro take arbitrary arguments, including * void. * * ```CXX * void func(ANYARGS); * ``` * * This was a necessary evil when there was no such thing like function * overloading. But it is the 21st century today. People generally need not * use this. Just use a granular typed function. * * @see ruby::backward::cxxanyargs */ #ifdef __cplusplus #define ANYARGS ... #else #define ANYARGS #endif #endif /* RUBY_BACKWARD2_STDARG_H */
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