[skill] C与C++对于类型转换的验证

不多说了，代码说明一切。

/home/tong/Src/copyleft/test [tong@T7] [:]
> gcc .c 

/home/tong/Src/copyleft/test [tong@T7] [:]
> g++ .c
.c: In function ‘int main(int, char**)’:
.c::: error: invalid conversion from ‘void*’ to ‘int*’ [-fpermissive]
  p = q;
      ^

/home/tong/Src/copyleft/test [tong@T7] [:]
> cat .c
#include <stdio.h>

int main(int argc, char** argv)
{
        int* p;
        void* q;

        p = q;

        return ;
}

/home/tong/Src/copyleft/test [tong@T7] [:]
>