What do I need to program in C
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  1. #1
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    What do I need to program in C

    I am going to be very dangerous shortly (I hope). I just got a book on programming in C language. What do I
    need to install to use C ? I am not new to Linux but I havent done any programming since I started using Basic
    several years ago and I have forgotten all of that.

  2. #2
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    Make sure you have c compiler installed. As root type "yum install gcc".
    Then, as user, edit a file "hello.c" and type:
    #include <stdio.h>
    int main() {
    printf("hello, world\n");
    }

    Then at the command prompt, type
    bash$ gcc -o hello hello.c
    bash$ hello
    hello, world
    bash$

  3. #3
    Join Date
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    Quote Originally Posted by mwette
    Make sure you have c compiler installed. As root type "yum install gcc".
    Then, as user, edit a file "hello.c" and type:
    #include <stdio.h>
    int main() {
    printf("hello, world\n");
    }

    Then at the command prompt, type
    bash$ gcc -o hello hello.c
    bash$ hello
    hello, world
    bash$
    Thanks alot for the prompt reply. Worked like a champ.
    Registered Linux User # 418170
    If there is not enough food in the fridge, do you say
    "The store must be down"?
    Greg Elin, at a conference

  4. #4
    daihard Guest
    Allow me to be nit-picky...

    int main() {
    printf("hello, world\n");
    return 0;
    }


  5. #5
    compwizzer Guest
    Congrats on wanting to learning C. As you get the hang of it you'll see what an asset it is just to be familiar with. I started with basic(gwbasic) too. Then moved to Visual Basic (yea I know shame on me). Eventually I learned C, then then C++, then PHP and now I'm curious about Python. Understanding C can make it easier to learn a lot of other languages, I think anyways.

    Just start small, like with Hello World. Then gradually add to your knowlege with time. Your frustrations will teach you a lot about programming in general. Which will pay for itself by helping you understand why programs do what they do. ( and shouldn't do)
    Remember to keep a reference handy while you program and don't be ashamed to need it. Ever.

  6. #6
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    what about knowledge?

    a good tutorial?
    I think it is pretty good to start with C http://beej.us/guide/bgc/
    The software required «Windows 98 or better», so I installed Linux.

  7. #7
    Join Date
    Jan 2005
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    Nice link. Fun to read. I might just give it a try.
    You can find out what book a person needs by asking the question, "Do you want to be a Muggle or a Wizard?"

    (1) If they answer "Wizard", then you give them RUTE.
    (2) If they answer "Muggle", then you give them "Linux for Dummies."
    (3) If they answer "What's a Muggle?", then you give them "Harry Potter".

  8. #8
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    I like the guide to Network Programming of him(http://beej.us/guide/bgnet/)...
    very recommenable!
    The software required «Windows 98 or better», so I installed Linux.

  9. #9
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    I like the guide to Network Programming of him(http://beej.us/guide/bgnet/)...

    Thats the one I used to get to grips with socket programming. Good tutorial but for me a copy of the gnu gcc manual was very helpfull along with this site http://www.advancedlinuxprogramming.com/.

    Never did find anything half decent on rpcgen and coding for that though.

    Ibbo
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    --
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  10. #10
    linux_au Guest
    Quote Originally Posted by dw5437
    I am going to be very dangerous shortly (I hope). I just got a book on programming in C language. What do I
    need to install to use C ? I am not new to Linux but I havent done any programming since I started using Basic
    several years ago and I have forgotten all of that.
    I assume your using Fedora 5, so I suggest using Pup (Applications->Add/Remove Software). Select Development and check Development Libraries, Development Tools, Gnome Software Development and if you've got any interest in java Java Development and Eclipse, maybe X software Development for some addtional libraries

  11. #11
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    For someone that only used VHDL and now want to learn a programming language should this person learn what first? C or C++?

    Tnx.
    P.S. Never take candy from strangers... money is ok, but not candy.

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  12. #12
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    Thanks for the help and helpful links. I hope eventually to be able to do some serious programming in a
    couple of years. I kind of hope to jump from C to python but dont know if that is wise. My book says that
    C and C++ are practicaly the same.
    Registered Linux User # 418170
    If there is not enough food in the fridge, do you say
    "The store must be down"?
    Greg Elin, at a conference

  13. #13
    compwizzer Guest
    Trek1701, C++ may be easier to learn but I suggest learning both. It won't be too hard to do, in fact I picked up the basics of both languages in under a month.

    My tip for all those learning programing, is to always keep a reference handy - even profesional programmers don't code blindly.

    Also I'd like to share my point of view about how programing is really a form of art. You master the techniques of it and then apply them creatively, just like photographers or writers.

  14. #14
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    Thumbs up

    Quote Originally Posted by compwizzer
    Also I'd like to share my point of view about how programing is really a form of art. You master the techniques of it and then apply them creatively, just like photographers or writers.
    well said!
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  15. #15
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    Quote Originally Posted by Trek1701
    For someone that only used VHDL and now want to learn a programming language should this person learn what first? C or C++?

    Tnx.
    I have found C to be easier for instance a hello world program in C looks like this:
    Code:
    #include <stdio.h>
    main()
    {
    printf("Hello World!\n");
    }
    Where as a C++ version is more like this:
    Code:
    #include <iostream>
    int main()
    {
    using namespace std;
    cout << "Hello World" << endl;
    return 0;
    }
    C++ is harder to mess up in as far as I know. But when I have messed up I have found I need to restructure the whole program again in some of the worst cases. In C I didn't end up doing that. Also C is more used for nix programming than C++ from what I've noticed so you may want to learn C.
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