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c under linux

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c under linux
cricketfancy
12 Jan, 2008 - 10:17 PM
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how to write a c program in linux?also guide how to compile and execute it.
i am currently using fedora 8.
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jjhaag
RE: C Under Linux
12 Jan, 2008 - 10:30 PM
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Moved to C/C++.

Please read the rules and post in the correct forum.

And welcome to </dic> smile.gif
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PennyBoki
RE: C Under Linux
13 Jan, 2008 - 02:05 AM
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QUOTE(cricketfancy @ 12 Jan, 2008 - 11:17 PM) *

how to write a c program in linux?also guide how to compile and execute it.
i am currently using fedora 8.


You could use a text editor to write the code, then save the file as a e.g. nameOfTheFile.c

Then you can use the command line to compile the code, you should be in the folder where the .c file is.

So write:

gcc nameOfTheFile.c

and if there are no errors to run your program do:

a.out

or

./a.out
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cricketfancy
RE: C Under Linux
13 Jan, 2008 - 04:25 AM
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QUOTE(PennyBoki @ 13 Jan, 2008 - 03:05 AM) *

QUOTE(cricketfancy @ 12 Jan, 2008 - 11:17 PM) *

how to write a c program in linux?also guide how to compile and execute it.
i am currently using fedora 8.


You could use a text editor to write the code, then save the file as a e.g. nameOfTheFile.c

Then you can use the command line to compile the code, you should be in the folder where the .c file is.

So write:

gcc nameOfTheFile.c

and if there are no errors to run your program do:

a.out

or

./a.out

it is giving an error as follows:
bash: a.out: command not found
also tried ./a.out but:
bash: ./a.out: No such file or directory
also guide whether we can directly include header files like
stdio.h, conio.h, graphics.h............

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revenge2
RE: C Under Linux
13 Jan, 2008 - 05:05 AM
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hey there, sorry i just had to ask this question as well. Im also just trying out linux- Ubuntu, im wondering how you can compile the code with the terminal/consol
Thing
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PennyBoki
RE: C Under Linux
13 Jan, 2008 - 05:52 AM
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QUOTE(cricketfancy @ 13 Jan, 2008 - 05:25 AM) *

also guide whether we can directly include header files like
stdio.h, conio.h, graphics.h............


ok for the run try this:

./nameOfTheFile.c

and the headers include them in the .c file.
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PennyBoki
RE: C Under Linux
13 Jan, 2008 - 06:04 AM
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QUOTE(revenge2 @ 13 Jan, 2008 - 06:05 AM) *

hey there, sorry i just had to ask this question as well. Im also just trying out linux- Ubuntu, im wondering how you can compile the code with the terminal/consol
Thing


For ubuntu try:

$ gcc nameOfTheFile.c

then:

$ ./a.out

Now, I want to show you a trick it's called google wink2.gif

go to www.google.com

just write the question you need and there and there you go.

smile.gif Hope this helps.

This post has been edited by PennyBoki: 13 Jan, 2008 - 06:05 AM
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Amadeus
RE: C Under Linux
13 Jan, 2008 - 06:13 AM
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As for the question about conio.h, graphics.h, etc...it will depend on the library. You cannot include conio.h on linux, as it is platform dependant. You'll habe to check whatever library you want to include to see if it's available for your platform.

The standard C library is as follows:

http://www.utas.edu.au/infosys/info/docume.../C/CStdLib.html
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cricketfancy
RE: C Under Linux
13 Jan, 2008 - 08:59 AM
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QUOTE(PennyBoki @ 13 Jan, 2008 - 06:52 AM) *

QUOTE(cricketfancy @ 13 Jan, 2008 - 05:25 AM) *

also guide whether we can directly include header files like
stdio.h, conio.h, graphics.h............


ok for the run try this:

./nameOfTheFile.c

and the headers include them in the .c file.

hi,
thanks for giving responses.............
but the issue still remains
firstly after tryingg to run by ./nameofthefile.c error came as:
bash: ./sample.c: Permission denied
next
compiler gave error messages for clrscr() and getch() functions
sample.c:(.text+0xa): undefined reference to `clrscr'
sample.c:(.text+0x23): undefined reference to `getch'
lastly
does the ./ concept work under fedora...........
under ubuntu it did work..............
but what about fedora?
coz its giving errors all the time!!
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Tom9729
RE: C Under Linux
13 Jan, 2008 - 09:57 AM
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cc -o name_of_executable name_of_source.c will compile your source.
./name_of_executable will run the executable.

If you get errors compiling, the executable will not be made.

Also, you can't execute the source code. That only works with interpreted languages like Perl and Bash.

Can you please post the code you're trying to compile? I don't think clscr is a standard function...

It's also worth noting that there are plenty of C IDE's out there. I don't understand why people think that programming on Linux always means calling GCC from the commmand line...

Try Eclipse CDT, Anjuta, KDevelop.

All of them should be available from your distribution's package manager.
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MorphiusFaydal
RE: C Under Linux
13 Jan, 2008 - 03:48 PM
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clrscr() and getch() are both functions in conio.h which is Windows only. I had that problem the first time I tried to build a program in Linux.
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Bench
RE: C Under Linux
13 Jan, 2008 - 03:53 PM
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QUOTE(revenge2 @ 13 Jan, 2008 - 01:05 PM) *

hey there, sorry i just had to ask this question as well. Im also just trying out linux- Ubuntu, im wondering how you can compile the code with the terminal/consol
Thing

I installed Ubuntu a while back, and I noticed that it does not come with all the files which you need in order to compile and run C code.

Have a look at this thread which details how to install the files you need

http://ubuntuforums.org/showthread.php?t=120421
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