在C函数的参数和功能用C重载的默认值 [英] Default values on arguments in C functions and function overloading in C

问题描述

转换一个C ++的lib到ANSI C，它看起来虽然ANSI C不支持默认值，函数变量还是我错了？
我要的是一样的东西。

Converting a C++ lib to ANSI C and it seems like though ANSI C doesn't support default values for function variables or am I mistaken? What I want is something like

int funcName(int foo, bar* = NULL);

另外，是功能ANSI C超载可能吗？

Also, is function overloading possible in ANSI C?

那就需要

const char* foo_property(foo_t* /* this */, int /* property_number*/);

const char* foo_property(foo_t* /* this */, const char* /* key */, int /* iter */);

当然可能只是他们的名字不同，但被用于C ++我还挺用于函数重载。

Could of course just name them differently but being used to C++ I kinda used to function overloading.

推荐答案

没有，标准C不支持任何。为什么你觉得你需要你的C ++ code转换到C？这可能会变得非常棘手 - 我还以为写的包装会去，如果你的C ++必须从C调用的方式

No, Standard C does not support either. Why do you feel you need to convert your C++ code to C? That could get quite tricky - I'd have thought writing wrappers would be the way to go, if your C++ must be callable from C.

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