你好世界节目 [英] hello world programme

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问题描述

我编写了你好世界。来自K& R2的程序:


#include< stdio.h>


int main(){


printf(" hello world \ n");


}

现在我用以下方法编译它:/ gcc hello.c /


eveything一切正常,程序运行了。


当我使用编译时:


--- -----------------------------------------------

[arnuld @ arch programming] $ gcc -ansi -pedantic -Wall -Wextra hello.c

hello.c:在函数''main'':

hello.c:6:警告:控制到达非空函数结束

[arnuld @ arch programming] $

--------- ----------------------------------------


这个时间程序也运行但是那个警告意味着什么?

i compiled the "hello world" programme from K&R2:

#include<stdio.h>

int main() {

printf("hello world\n");

}
now i compiled it using: /gcc hello.c/

eveything went fine and programme ran.

when i compiled using:

--------------------------------------------------
[arnuld@arch programming]$ gcc -ansi -pedantic -Wall -Wextra hello.c
hello.c: In function ''main'':
hello.c:6: warning: control reaches end of non-void function
[arnuld@arch programming]$
-------------------------------------------------

this time programme runs too but what does that "warning mean"?

推荐答案

gcc -ansi -pedantic -Wall - Wextra hello.c

hello.c:在函数''main''中:

hello.c:6:警告:控制到达非结束-void函数

[arnuld @ arch programming]
gcc -ansi -pedantic -Wall -Wextra hello.c
hello.c: In function ''main'':
hello.c:6: warning: control reaches end of non-void function
[arnuld@arch programming]




-------------- -----------------------------------


这个时间计划也运行,但是警告意味着什么?


-------------------------------------------------

this time programme runs too but what does that "warning mean"?


在文章< 11 ************** ********@h3g2000cwc.googlegroups。 com>,

arnuld< ge ********* @ gmail.comwrote:
In article <11**********************@h3g2000cwc.googlegroups. com>,
arnuld <ge*********@gmail.comwrote:

>我编译了你好世界来自K& R2的程序:
>i compiled the "hello world" programme from K&R2:


> #include< stdio.h>
int main(){

printf(" hello world \ n");
}
>#include<stdio.h>
int main() {
printf("hello world\n");
}


>当我使用编译时:
>when i compiled using:


> -------------------------------- ------------------
[arnuld @ arch programming]
>--------------------------------------------------
[arnuld@arch programming]


这篇关于你好世界节目的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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