- #include <stdio.h>
- #include <stdlib.h>
- //定义全局变量
- int init_global_a = 1;
- int uninit_global_a;
- static int inits_global_b = 2;
- static int uninits_global_b;
- void output(int a)
- {
- printf("hello");
- printf("%d",a);
- printf("\n");
- }
- int main( )
- {
- //定义局部变量
- int a=2;
- static int inits_local_c=2, uninits_local_c;
- int init_local_d = 1;
- output(a);
- char *p;
- char str[10] = "lyy";
- //定义常量字符串
- char *var1 = "1234567890";
- char *var2 = "qwertyuiop";
- //动态分配
- int *p1=malloc(4);
- int *p2=malloc(4);
- //释放
- free(p1);
- free(p2);
- printf("栈区-变量地址\n");
- printf(" a：%p\n", &a);
- printf(" init_local_d：%p\n", &init_local_d);
- printf(" p：%p\n", &p);
- printf(" str：%p\n", str);
- printf("\n堆区-动态申请地址\n");
- printf(" %p\n", p1);
- printf(" %p\n", p2);
- printf("\n全局区-全局变量和静态变量\n");
- printf("\n.bss段\n");
- printf("全局外部无初值 uninit_global_a：%p\n", &uninit_global_a);
- printf("静态外部无初值 uninits_global_b：%p\n", &uninits_global_b);
- printf("静态内部无初值 uninits_local_c：%p\n", &uninits_local_c);
- printf("\n.data段\n");
- printf("全局外部有初值 init_global_a：%p\n", &init_global_a);
- printf("静态外部有初值 inits_global_b：%p\n", &inits_global_b);
- printf("静态内部有初值 inits_local_c：%p\n", &inits_local_c);
- printf("\n文字常量区\n");
- printf("文字常量地址 ：%p\n",var1);
- printf("文字常量地址 ：%p\n",var2);
- printf("\n代码区\n");
- printf("程序区地址 ：%p\n",&main);
- printf("函数地址 ：%p\n",&output);
- return 0;
- }
| 
楼主
