c函数指针 - webdancer's Blog

c函数指针

webdancer posted @ 2010年6月05日 12:45 in 编程语言 with tags c/c++ , 1781 阅读
//声明整数相加函数
int add_int(int a, int b)
{
    return a + b;
}

//声明浮点数相加函数
float add_float(float a, float b)
{
    return a+b;
}

//定义函数指针类型
typedef int (*int_add_funtion)(int a,int b);

//定义函数指针类型
typedef float (*float_add_funtion)(float a , float b); 

int main()
{
    //声明一个函数指针,名字叫做int_add_fun,相当于创建int_add_funtion这个类型的实例,下同
    int_add_funtion int_add_fun;

    //声明一个函数指针,名字叫做float_add_fun
    float_add_funtion float_add_fun;

    //将该函数指针指向 整数相加函数 的入口地址
    int_add_fun = add_int;

    //将该函数指针指向 浮点数相加函数 的入口地址
    float_add_fun = add_float;

    //以常规方式调用 整数相加函数,打印出100+200的计算结果
    printf("%d\n", add_int(100,200));

    //用函数指针调用 整数相加函数,打印出100+200的计算结果
    printf("%d\n", (*int_add_fun)(100,200));

    //以常规方式调用 浮 点数相加函数,打印出100.32 + 324.54的计算结果
    printf("%f\n", add_float(100.32f, 324.54f));

    //用函数指针调用 浮点数相加函数,打印出 100.32 + 324.54的计算结果
    printf("%f", (*float_add_fun)(100.32f, 324.54f));

    return 0;
}
Macys Credit Card Lo 说:
2022年8月25日 17:59

Macy's Credit Card. Want to pay your bill online? Sign in to access your account and make a one-time payment, Macys Credit Card Login payment or set up monthly auto-payments for hassle-free. Explore Entertainment Access ... If your Macy's Credit Card Account is closed by you or us, or you fail to make a qualifying purchase on your Macy's Credit Card 2021.Macy's Credit Card. Want to pay your bill online? Sign in to access your account and make a one-time payment.

seo service london 说:
2023年10月31日 23:54

Good to become visiting your weblog again, it has been months for me. Nicely this article that i've been waited for so long. I will need this post to total my assignment in the college, and it has exact same topic together with your write-up. Thanks, good share

뉴토끼 说:
2023年11月06日 03:41

Decent data, profitable and phenomenal outline, as offer well done with smart thoughts and ideas, bunches of extraordinary data and motivation, both of which I require, on account of offer such an accommodating data her

툰코 说:
2023年11月06日 04:14

I liked your educational contribution to spread the awareness. Thanks much

머니맨 说:
2023年11月07日 02:22

The article posted was very informative and useful. You people are doing a great job. Keep going

뉴토끼 说:
2023年11月08日 00:20

thank you for your interesting infomation

메이저놀이터 说:
2023年11月08日 19:36

You people are doing a great job. Keep g

메이저사이트 说:
2023年11月08日 19:48

The web site is lovingly serviced and saved as much as date. So it should be, thanks for sharing this with us

카지노사이트 说:
2023年11月08日 22:07

A decent blog dependably concocts new and energizing data and keeping in mind that understanding I have feel that this blog is truly have each one of those quality that qualify a blog to be a one.

온라인카지노 후기 说:
2023年11月08日 22:14

It’s really a fantastic website, thanks for sharing. There's no doubt i would fully rate it after i read what the idea about this article is. You did a nice

메이저놀이터 说:
2023年11月09日 00:51

This is such a great resource that you are providing and you give it away for free

https://www.bitsofwi 说:
2023年11月09日 01:48

Thanks for providing recent updates regarding the concern, I look forward to read more.

토토사이트 说:
2023年11月09日 02:18

I think this is an informative post and it is very useful and knowledgeable. Therefore, I would like to thank you for the efforts you have made in writing this article.

뉴토끼 说:
2023年11月11日 22:27

I have browsed most of your posts. This post is probably where I got the most

툰코2 说:
2023年11月12日 21:58

Thanks for a very interesting blog. What else may I get that kind of info written in such a perfect approach? I’ve a undertaking that I am simply now operating on, and I have been at the look out for such info.

머니맨 说:
2023年11月13日 21:30

나는 훌륭한 유용한 리소스를 무료로 제공하는 비용을 이해하는 웹 사이트를 보는 것을 좋아합니다. 나는 당신의 게시물을 읽는 것을 정말 좋아했습니다. 감사합니다! <a href="https://ajslaos.shop/">머니맨</a>

인천휴게텔 说:
2023年11月14日 01:28

Amazing knowledge and I like to share this kind of information with my friends and hope they like it they why I do.

카지노사이트 说:
2023年11月14日 22:36

Your blog provided us with valuable information to work with. Each & every tips of your post are awesome. Thanks a lot for sharing. Keep blogging

먹튀폴리스보증업체 说:
2023年11月29日 18:40

I am always searching online for articles that can help me. There is obviously a lot to know about this. I think you made some good points in Features also. Keep working, great job! My friend mentioned to me your blog, so I thought I’d read it for myself.

온라인카지노순위 说:
2023年11月29日 19:38

Nice information, significant and splendid arrangement, as offer extraordinary stuff with brilliant considerations and thoughts, heaps of unimaginable information and inspiration, the two of which I need, because of offer such a strong information here.

토크리 说:
2023年11月29日 19:46

Easily, the article is actually the best topic on this registry related issue. I fit in with your conclusions and will eagerly look forward to your next updates. Just saying thanks will not just be sufficient, for the fantasti c lucidity in your writing. I will instantly grab your rss feed to stay informed of any updates.

안전토토사이트추천 说:
2023年11月29日 20:19

Nice information, significant and splendid arrangement, as offer extraordinary stuff with brilliant considerations and thoughts, heaps of unimaginable information and inspiration, the two of which I need, because of offer such a strong information here.

토토어택도메인 说:
2023年11月29日 20:36

That is genuinely something that we think about a ton. Right when we concocted our key game-plan, the central fragment was individuals. Hopkins is mind blowing in light of the general open who work here and learn here, so it's basic to use to keep them satisfied and secured.

먹튀검증백과 说:
2023年11月29日 20:53

A debt of gratitude is in order for all the exertion in sharing this splendid post and I truly to welcome it. Your commitment and diligent work has helped you to deliver great quality articles this way Cool stuff you have and you keep upgrade all of us

안전놀이터 说:
2023年11月29日 21:07

I would like to thank you for the efforts you have made in writing this article. I am hoping the same best work from you in the future as well. In fact your creative writing abilities has inspired me to start my own BlogEngine blog now. Really the blogging is spreading its wings rapidly. Your write up is a fine example of it.

먹튀검증커뮤니티모음 说:
2023年11月29日 21:37

I genuinely acknowledge fundamentally scrutinizing most of your weblogs. Simply expected to prompt you that you have people like me who worth your work. Absolutely a magnificent post. Tops off to you! The information that you have given is particularly used.

먹튀검증 说:
2023年11月29日 21:37

 would like to thank you for the efforts you have made in writing this article. I am hoping the same best work from you in the future as well. In fact your creative writing abilities has inspired me to start my own BlogEngine blog now. Really the blogging is spreading its wings rapidly. Your write up is a fine example of it.

토토사이트 说:
2023年11月29日 22:16

That is truly something that we consider a ton. At the point when we thought up our key course of action, the fundamental segment was people. Hopkins is mind blowing because of the overall public who work here and learn here, so it's critical to use to keep them fulfilled and locked in.

킹콩티비가입 说:
2023年11月29日 22:28

The "Perfect Cupcake" review is concise and highlights the cupcake's quality. It mentions taste, texture, and presentation. To improve, it could include specific flavor details or unique elements. Sharing personal experiences or ideal occasions could also be beneficial. Overall, the review is good, but more detailed descriptions and personal touches could enhance it.

오래된토토사이트주소 说:
2023年11月29日 22:46

I would like to thank you for the efforts you have made in writing this article. I am hoping the same best work from you in the future as well. In fact your creative writing abilities has inspired me to start my own BlogEngine blog now. Really the blogging is spreading its wings rapidly. Your write up is a fine example of it.

안전놀이터 说:
2023年11月29日 22:48

"I’m happy I located this blog! From time to time, students want to cognitive the keys of productive literary essays composing. Your first-class knowledge about this good post can become a proper basis for such people.I regularly visit this site to check out the events and functions and sometimes for resources. However, it has been a while that you have shared some news about latest or upcoming events.
"

메이저놀이터 说:
2023年11月29日 23:05

his is my first time i visit here. I found so many entertaining stuff in your blog, especially its discussion. From the tons of comments on your articles, I guess I am not the only one having all the leisure here! Keep up the excellent work.

먹튀폴리스가입 说:
2023年11月29日 23:11

I am always searching online for articles that can help me. There is obviously a lot to know about this. I think you made some good points in Features also. Keep working, great job! My friend mentioned to me your blog, so I thought I’d read it for myself.

우리카지노 说:
2023年11月29日 23:28

The "Perfect Cupcake" review is concise and highlights the cupcake's quality. It mentions taste, texture, and presentation. To improve, it could include specific flavor details or unique elements. Sharing personal experiences or ideal occasions could also be beneficial. Overall, the review is good, but more detailed descriptions and personal touches could enhance it.

토토사이트 说:
2023年11月29日 23:39

Much obliged to you again for all the learning you disperse, Good post. I was extremely intrigued by the article, it's very rousing I ought to concede. I like visiting your site since I generally go over intriguing articles this way one.

큐어벳카지노가입 说:
2023年11月29日 23:58

I would like to thank you for the efforts you have made in writing this article. I am hoping the same best work from you in the future as well. In fact your creative writing abilities has inspired me to start my own BlogEngine blog now. Really the blogging is spreading its wings rapidly. Your write up is a fine example of it.

먹튀사이트목록 说:
2023年11月29日 23:59

Not too bad information, significant and splendid arrangement, as offer extraordinary stuff with brilliant considerations and thoughts, heaps of unbelievable information and inspiration, the two of which I need, by virtue of offer such a strong information here.

벳365 가상축구 분석 说:
2023年11月30日 00:11

Easily, the article is actually the best topic on this registry related issue. I fit in with your conclusions and will eagerly look forward to your next updates. Just saying thanks will not just be sufficient, for the fantasti c lucidity in your writing. I will instantly grab your rss feed to stay informed of any updates.

해외안전놀이터코드 说:
2023年11月30日 00:22

with your conclusions and will eagerly look forward to your next updates. Just saying thanks will not just be sufficient, for the fantasti c lucidity in your writing. I will instantly grab your rss feed to stay informed of any updates.

메이저사이트 순위 说:
2023年11月30日 00:26

Nice information, significant and splendid arrangement, as offer extraordinary stuff with brilliant considerations and thoughts, heaps of unimaginable information and inspiration, the two of which I need, because of offer such a strong information here.

사설토토 说:
2023年11月30日 00:38

That is genuinely something that we think about a ton. Right when we concocted our key game-plan, the central fragment was individuals. Hopkins is mind blowing in light of the general open who work here and learn here, so it's basic to use to keep them satisfied and secured.

먹튀검증커뮤니티 说:
2023年11月30日 00:49

"I’m happy I located this blog! From time to time, students want to cognitive the keys of productive literary essays composing. Your first-class knowledge about this good post can become a proper basis for such people.I regularly visit this site to check out the events and functions and sometimes for resources. However, it has been a while that you have shared some news about latest or upcoming events.
"

เว็บพนันบอล 说:
2023年11月30日 00:51

Much obliged to you again for all the learning you disperse, Good post. I was extremely intrigued by the article, it's very rousing I ought to concede. I like visiting your site since I generally go over intriguing articles this way one.

메이저사이트 说:
2023年11月30日 01:05

Nice information, significant and splendid arrangement, as offer extraordinary stuff with brilliant considerations and thoughts, heaps of unimaginable information and inspiration, the two of which I need, because of offer such a strong information here.

먹튀제보 说:
2023年11月30日 01:16

I genuinely acknowledge fundamentally scrutinizing most of your weblogs. Simply expected to prompt you that you have people like me who worth your work. Absolutely a magnificent post. Tops off to you! The information that you have given is particularly used.

먹튀검증 说:
2023年11月30日 01:21

I would like to thank you for the efforts you have made in writing this article. I am hoping the same best work from you in the future as well. In fact your creative writing abilities has inspired me to start my own BlogEngine blog now. Really the blogging is spreading its wings rapidly. Your write up is a fine example of it.

메이저토토사이트 说:
2023年11月30日 01:33

I would like to thank you for the efforts you have made in writing this article. I am hoping the same best work from you in the future as well. In fact your creative writing abilities has inspired me to start my own BlogEngine blog now. Really the blogging is spreading its wings rapidly. Your write up is a fine example of it.

메이저사이트 说:
2023年11月30日 01:42

Incredible post. An obligation of appreciation is with the goal for offering to us. I just appreciated your technique for presentation. I acknowledged getting this .Thanks for sharing and keep forming. It is extraordinary to scrutinize sites this way. As usual, we invite yourself certification and recognize as legitimate inside us.

카지노사이트 说:
2023年11月30日 02:00

Took me time to read all the comments, but I really enjoyed the article. It proved to be Very helpful to me and I am sure to all the commenters here! It’s always nice when you can not only be informed, but also entertained!You have raised an important issue..Thanks for sharing..I would like to read more current affairs from this blog..keep posting..

먹튀검증 说:
2023年11月30日 02:19

Easily, the article is actually the best topic on this registry related issue. I fit in with your conclusions and will eagerly look forward to your next updates. Just saying thanks will not just be sufficient, for the fantasti c lucidity in your writing. I will instantly grab your rss feed to stay informed of any updates.

먹튀검증커뮤니티추천 说:
2023年11月30日 02:35

I would like to thank you for the efforts you have made in writing this article. I am hoping the same best work from you in the future as well. In fact your creative writing abilities has inspired me to start my own BlogEngine blog now. Really the blogging is spreading its wings rapidly. Your write up is a fine example of it.

토토커뮤니티순위 说:
2023年11月30日 02:49

Hi I found your site by mistake when i was searching yahoo for this acne issue, I must say your site is really helpful I also love the design, its amazing!. I don’t have the time at the moment to fully read your site but I have bookmarked it and also add your RSS feeds. I will be back in a day or two. thanks for a great site.

동행파워볼사이트 说:
2023年11月30日 03:13

The "Perfect Cupcake" review is concise and highlights the cupcake's quality. It mentions taste, texture, and presentation. To improve, it could include specific flavor details or unique elements. Sharing personal experiences or ideal occasions could also be beneficial. Overall, the review is good, but more detailed descriptions and personal touches could enhance it.

소액결제현금화 说:
2023年12月13日 23:55

읽어 주셔서 감사합니다 !! 나는 당신이 게시하는 새로운 내용을 확인하기 위해 북마크에 추가했습니다.

마사지 说:
2023年12月28日 01:43

I can’t believe focusing long enough to research; much less write this kind of article. You’ve outdone yourself with this material without a doubt. It is one of the greatest contents.

스포츠무료중계 说:
2024年1月06日 21:26

우리에게 제공 한이 멋진 게시물에 정말 감사드립니다. 나는 이것이 대부분의 사람들에게 유익 할 것이라고 확신합니다.

바카라사이트 说:
2024年1月10日 20:10

나는이 기사를 읽었다. 이 기사를 만들기 위해 많은 노력을 기울인 것 같습니다. 나는 당신의 일을 좋아합니다.

먹튀검증 说:
2024年1月14日 22:06

You completed certain reliable points there. I did a search on the subject and found nearly all persons will agree with your blog.

소액결제현금화 说:
2024年1月15日 03:07

An interesting discussion may be valued at comment. I do think that you ought to write more about this topic, it might not be described as a taboo subject but usually individuals are too few to chat on such topi

스포츠중계 说:
2024年1月15日 03:28

I simply want to tell you that I am new to weblog and definitely liked this blog site. Very likely I'm going to bookmark your blog. You absolutely have wonderful stories. Cheers for sharing with us your blog

카지노사이트 说:
2024年1月15日 03:47

"Everything is very open with a really clear clarification of the challenges. It was definitely informative. Your site is very helpful. Thanks for sharing!

"

카지노뱅크 说:
2024年1月15日 21:56

You delivered such an impressive piece to read, giving every subject enlightenment for us to gain information. Thanks for sharing such information with us due to which my several concepts have been cleared. 

카지노뱅크 说:
2024年1月15日 22:59

Your topic is very great and useful for us… thank you

온라인카지노 说:
2024年1月16日 03:08

Hi, I log on to your new stuff like every week. Your humoristic style is witty, keep it up

블록체인개발 说:
2024年4月22日 23:25

블록체인개발 코인지갑개발 IT컨설팅 메스브레인팀이 항상 당신을 도울 준비가 되어 있습니다. 우리는 마음으로 가치를 창조한다는 철학을 바탕으로 일하며, 들인 노력과 시간에 부흥하는 가치만을 받습니다. 고객이 만족하지 않으면 기꺼이 환불해 드립니다.
https://xn--539awa204jj6kpxc0yl.kr/


登录 *


loading captcha image...
(输入验证码)
or Ctrl+Enter
Host by is-Programmer.com | Power by Chito 1.3.3 beta | © 2007 LinuxGem | Design by Matthew "Agent Spork" McGee