你好世界节目 [英] hello world programme
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]
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