{"id":986,"date":"2015-03-21T21:17:02","date_gmt":"2015-03-21T13:17:02","guid":{"rendered":"http:\/\/zerobox.org\/notes\/?p=986"},"modified":"2016-06-02T19:36:58","modified_gmt":"2016-06-02T11:36:58","slug":"%e6%8c%87%e9%92%88%e7%9a%84%e5%9f%ba%e6%9c%ac%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"http:\/\/zerobox.org\/notes\/986.html","title":{"rendered":"\u6307\u9488\u7684\u57fa\u672c\u4f7f\u7528"},"content":{"rendered":"

\u6765\u6e90:http:\/\/www.cnblogs.com\/MrTao\/p\/4356192.html<\/p>\n

<\/p>\n

\u683c\u5f0f:\u53d8\u91cf\u7c7b\u578b *\u53d8\u91cf\u540d<\/p>\n

\u6307\u9488\u4f5c\u7528: \u53ea\u80fd\u5b58\u50a8\u5730\u5740\uff0c\u8bbf\u95ee\u5bf9\u5e94\u7684\u5b58\u50a8\u7a7a\u95f4<\/p>\n

\u6307\u9488\u524d\u9762\u662f\u4ec0\u4e48\u7c7b\u578b\u5c31\u53ea\u80fd\u8bbf\u95ee\u5bf9\u5e94\u4e00\u6837\u7c7b\u578b\u7684\u6570\u636e<\/p>\n

<\/p>\n

1\u3001\u00a0 \u6307\u9488\u4e0e\u57fa\u672c\u6570\u636e\u7c7b\u578b<\/p>\n

int a =0;<\/p>\n

int *p = &a;<\/p>\n

*p = 2;<\/p>\n

2\u3001\u00a0 \u6307\u9488\u4e0e\u6570\u7ec4<\/p>\n

int a[] = {10,11,13}<\/p>\n

int *p = a;<\/p>\n

p[2]\u00a0 ==\u00a0 *(p+2)\u00a0 == \u00a0a[2]<\/p>\n

3\u3001\u00a0 \u6307\u9488\u4e0e\u5b57\u7b26\u4e32<\/p>\n

1> \u5229\u7528\u6570\u7ec4<\/p>\n

char\u00a0 name[] = \u201cwhat\u2019s your name\u201d;<\/p>\n

* \u7279\u70b9:\u5b57\u7b26\u4e32\u91cc\u9762\u7684\u5b57\u7b26\u80fd\u4fee\u6539<\/p>\n

* \u4f7f\u7528\u573a\u5408: \u5b57\u7b26\u4e32\u5185\u5bb9\u9700\u8981\u4fee\u6539\u4e14\u4e0d\u56fa\u5b9a\u7684<\/p>\n

2> \u5229\u7528\u6307\u9488<\/p>\n

char *name = \u201cwhat\u2019s your name\u201d<\/p>\n

* \u7279\u70b9:\u5b57\u7b26\u4e32\u91cc\u7684\u5b57\u7b26\u4e0d\u80fd\u6539\u52a8\uff0c\u5176\u5b9e\u5c31\u662f\u4e00\u4e2a\u5e38\u91cf\u5b57\u7b26\u4e32<\/p>\n

* \u4f7f\u7528\u573a\u5408: \u5b57\u7b26\u4e32\u7684\u5185\u5bb9\u4e0d\u80fd\u4fee\u6539\uff0c\u4e14\u8fd9\u4e2a\u5b57\u7b26\u4e32\u7ecf\u5e38\u4f7f\u7528<\/p>\n

4\u3001\u00a0 \u6307\u9488\u4e0e\u51fd\u6570<\/p>\n

1> \u65e0\u53c2<\/p>\n

void test(){}<\/p>\n

<\/p>\n

void (*p)();<\/p>\n

p = tset;<\/p>\n

(*p)(); \u00a0\u00a0\u00a0\/ \u00a0\u00a0\u00a0p();<\/p>\n

2> \u6709\u53c2<\/p>\n

void test(int a, int b){}<\/p>\n

<\/p>\n

void (*p)(int , int);<\/p>\n

p = tset;<\/p>\n

(*p)(10 , 10);\u00a0 \u00a0\u00a0\/\u00a0\u00a0\u00a0 p(10 , 10);<\/p>\n

5\u3001\u00a0 \u6307\u9488\u4e0e\u7ed3\u6784\u4f53<\/p>\n

\u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784\u4f53<\/p>\n

struct Student<\/p>\n

{<\/p>\n

int no;<\/p>\n

int age;<\/p>\n

};<\/p>\n

\u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784\u4f53\u53d8\u91cf<\/p>\n

struct Student stu={1,20};<\/p>\n

\u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784\u4f53\u6307\u9488\u00a0 \u5e76\u4e14\u6307\u5411stu\u7ed3\u6784\u4f53\u53d8\u91cf<\/p>\n

struct Student *p = &stu;<\/p>\n

\u8bbf\u95ee\u7ed3\u6784\u4f53\u5185\u90e8\u6210\u5458\u53d8\u91cf<\/p>\n