#include 
     
      #include 
      
       const int const_global = 0; // 常全局变量int init_global = 0; // 初始化全局变量int uninit_global; // 未初始化全局变量int main (int argc, char* argv[]) {    const static int const_static = 0; // 常静态变量    static int init_static = 0; // 初始化静态变量    static int uninit_static; // 未初始化静态变量    const int const_local = 0; // 常局部变量    int prev_local; // 前局部变量    int next_local; // 后局部变量    int* prev_heap = malloc (sizeof (int)); // 前堆变量    int* next_heap = malloc (sizeof (int)); // 后堆变量    const char* literal = "literal"; // 字面值常量    extern char** environ; // 环境变量    printf ("---- 命令行参数与环境变量 ---- 
       <高>
        \n");    printf ("         环境变量：%p\n", environ);    printf ("       命令行参数：%p\n", argv);    printf ("-------------- 栈 ------------\n");    printf ("       常局部变量：%p\n", &const_local);    printf ("       前局部变量：%p\n", &prev_local);    printf ("       后局部变量：%p\n", &next_local);    printf ("-------------- 堆 ------------\n");    printf ("         后堆变量：%p\n", next_heap);    printf ("         前堆变量：%p\n", prev_heap);    printf ("------------- BSS ------------\n");    printf (" 未初始化全局变量：%p\n", &uninit_global);    printf (" 未初始化静态变量：%p\n", &uninit_static);    printf ("------------ 数据 ------------\n");    printf ("   初始化静态变量：%p\n", &init_static);    printf ("   初始化全局变量：%p\n", &init_global);    printf ("------------ 代码 ------------\n");    printf ("       常静态变量：%p\n", &const_static);    printf ("       字面值常量：%p\n", literal);    printf ("       常全局变量：%p\n", &const_global);    printf ("             函数：%p\n", main);    printf ("------------------------------ 
        <低>
         \n");    printf ("查看/proc/%u/maps，按
         <回车>
          退出...", getpid ());    getchar ();    return 0;}