Ubuntu 編譯 c程式

Have gcc and other build-essentials been installed? What is your program's code? The error suggests problem with your header file.

2009-04-29 23:12:34 補充：
Has your machine connected to the internet? The error from apt-get suggests the program cannot find the packages. Did you install packages from CD or the internet?

2009-04-30 07:00:50 補充：
The following should work on all *nix platforms:

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

/* if this fails, give me the error message */
======================================
Also, for your Ubuntu installation, apt-get will try to get the package from the installation medium (whatever that maybe). In your case, it is the CD your friend install that from. I think you will have to change that to the network before it will work. You can ask the one who installs this for you for help.

To check if gcc is installed on your machine:

dpkg -l | grep gcc

This command will give a few lines of output. That should include gcc, libgcc and gcc base.

You don't need g++ nor the build-essential for the hello world program. If you are just learning this, you don't need all the tools yet.



2009-05-01 06:18:39 補充：
It is possible to have update failed. It happens to me all the time with Ubuntu :-(

You can investigate it more. However, sometimes, it is the packaging method that causes the problem. It may point to some files that does not exist.

2009-05-01 06:19:51 補充：
As a new comer, I think you should stick with just C (or C++ or Java) and some simple Linux commands for now. Knowledge will come to you later.

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-I don't know..I never use Linux before. don't know anything about it..
but i am sure that gcc can work, just can find the header file (i can't find
those header files in 'include' folder)

2009-04-30 00:25:38 補充：
- program
#include
int main(void){
printf("HelloWorld");
return 0;
}
=>error message shows that cannot find stdio.h

2009-04-30 00:28:39 補充：
-Yes, but connected to wireless network
I tried several suggestions that i googled, I found out some updates very slowly and finally faild, I'll try not use wireless network tomorrow and try it again

-my friend installed it for me, probably from CD but not very sure..

thanks!