Ç - 严重放置（的）？ [英] C - Badly Placed ()'s?

问题描述

所以我一直试图让这个code。使用采用c GCC编译器来编译（我发现很多到C引用++但没有为C，所以我问这个）我一直得到错误不善放在（）的我每次去运行程序。所以我把它简化为一个非常简单的Hello World的测试程序，我仍然得到同样的错误。

什么引起这个错误？

 的#include＆LT;＆stdio.h中GT;INT主（INT ARGC，为int *的argv []）
{
        的printf（的Hello World \\ n）;
        返回0;
}
 

解决方案

看来你是不是要执行该编译后的二进制，但是你有一个运行系统中的的tcsh 和你直接喂C源$ C ​​$ C成壳：

 ＆GT; tcsh的/tmp/badly.c
（记者厉害放置）。
 

一个C程序必须首先编译为二进制（此处为：的/ tmp /不好），然后，你必须执行二进制：

 ＆GT; GCC /tmp/badly.c -Wall -o的/ tmp /不好
/tmp/badly.c:3:5：警告：'主'的第二个参数应该是'字符**'[-Wmain]
＆GT;的/ tmp /不好
你好，世界
 

由于ouah已经注意到了他的答案，用 -Wall 参数 GCC 您还可以获得信息的消息你的主函数的参数是错误的。

So I've been trying to get this code to compile using a gcc compiler using c (I found lots of references to c++ but none to c so I asked this) I kept on getting the error Badly placed ()'s every time I go to run the program. So I simplified it to a very simple Hello World test program and I still get the same error.

What could be causing this error?

#include <stdio.h>

int main(int argc, int* argv[])
{
        printf("Hello World\n");
        return 0;
}

解决方案

It seems that you are not trying to execute the compiled binary, but that you have a system that runs a tcsh and you are feeding the C source code directly into that shell:

> tcsh /tmp/badly.c 
Badly placed ()'s.

A C program must first be compiled to a binary (here: /tmp/badly), and then you have to execute that binary:

> gcc /tmp/badly.c -Wall -o /tmp/badly
/tmp/badly.c:3:5: warning: second argument of 'main' should be 'char **' [-Wmain]
> /tmp/badly 
Hello World

As ouah already noticed in his answer, with the -Wall argument to gcc you also get the informative message that the parameters of your main function are wrong.

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