使用int main（void）编译失败; main（int argc，char * argv []）成功。为什么？
为什么要编译具有 int main（void） main函数的程序不同于编译如果程序不使用在命令行上传递的参数，则程序具有 int main（int argc，char * argv []） main函数
Why would compiling a program which has an int main(void) main function differ from compiling a program which has an int main(int argc, char *argv[]) main function, if the program does not use arguments passed on the command line?
这个操作系统或编译器是特定的吗？我不会得到相同的结果使用mingw和g ++ （这是奇怪的不是因为wingw是gcc的港口）
Is this OS or compiler specific? I do not get the same results using mingw and g++(which is weird isn't it as wingw is a port of gcc).
#include <iostream>
#include"SDL/SDL.h"
int main(void)
{
return 0;
}
编译命令
Compilation commands
g++ test.cpp; #g++ 4.4.5
i586-mingw32msvc-g++ test.cpp; # mingw 4.4.4
错误
（由第二个命令给定。）
Error
(Given by the second command.)
a(main.o):(.text+0x85): undefined reference to `_WinMain@16'
在Windows上，当您包括 SDL.h ， main 被重新定义为 SDL_main 调用 WinMain （非控制台Windows应用程序的真正入口点），做一些初始化，最后调用你的主要代码。它有一个签名 argc 和 argv ，你几乎需要遵循它，所以 int main（）将无法工作。
This is SDL thing. On Windows, when you include SDL.h,main is redefined to SDL_main which calls WinMain (the real entry point in non-console Windows apps), does some initialization and finally calls your main code. It has a signature with argc and argv and you're pretty much required to follow it, so int main() won't work.