How to Compile C Programs

HOW-TO GUIDES, PROGRAMMING
31 Comments

How to compile C programsIn many of my previous posts especially in the Programming section, I have used C as the programming language for writing the programs. If you’re new to C programming and find it difficult to compile the C source codes then this post is for you.

Here is a step-by-step procedure to install Borland C++ compiler 5.5 on your PC and compile the C programs.

How to Install Borland C++ compiler?

Follow the below steps to install Borland C++ compiler 5.5 on your PC:

  1. Download Borland C++ compiler 5.5 (for Windows platform) from the following link:

  2. After you download, run the file C++5.51.exe. The default installation path would be:

    C:\Borland\BCC55

How to configure Borland C++ compiler?

Here is a step-by-step instruction on how to configure the compiler:

  1. After you install Borland C++ compier, create two new Text Documents.

  2. Open the first New Text Document.txt file and add the following two lines into it:

    -I”c:\Borland\Bcc55\include”

    -L”c:\Borland\Bcc55\lib”

    Save changes and close the file. Now rename the file from New Text Document.txt to bcc32.cfg.

  3. Open the second New Text Document (2).txt file and add the following line into it:

    -L”c:\Borland\Bcc55\lib”

    Save changes and close the file. Rename the file from New Text Document (2).txt to ilink32.cfg.

  4. Now copy the two files bcc32.cfg and ilink32.cfg, navigate to C:\Borland\BCC55\Bin and paste them.

How to Compile the C Source Code (.C files)?

Here is a detailed instruction on how to compile C source codes:

  1. You need to place the .C (example.c) file to be compiled in the following location:

    2. C:\Borland\BCC55\Bin

  2. Now go to the command prompt (Start->Run->type cmd->Enter)

  3. Make the following path as the present working directory (use the CD command):

    4. C:\Borland\BCC55\Bin

  4. To compile the file (example.c) use the following command:

    5. bcc32 example.c

  5. Now if there exists no error in the source code, you’ll get a compiled executable module (example.exe) in the same location (C:\Borland\BCC55\Bin).

  6. Now you have successfully compiled the source code into an executable file(.exe file).

NOTE: The above tutorial assumes that you’ve installed the compiler onto the C: drive (by default).

31 Comments

  1. rexter
     July 18, 2009 at 11:58 PM

    thank u very much…

  2. sumit
     July 19, 2009 at 6:21 PM

    Hey man,
    I tried every thing, but it gives the error “unable to open include file ‘stdio.h’ ” also for all header files

    • Srikanth
       July 19, 2009 at 7:28 PM

      @ sumit

      Reinstall your C compiler and configure it properly.

  3. FoXriDeR
     July 25, 2009 at 8:14 PM

    hey great job btw but when i run>cmd and i type C:\Borland\BCC55\Bin is says that it is not an internal/external command.. please help!!

    • Srikanth
       July 26, 2009 at 8:22 PM

      @ FoXriDeR

      Type “cd\” ENTER
      then type “cd C:\Borland\BCC55\Bin” ENTER

      This should work!

  4. FoXriDeR
     July 25, 2009 at 8:18 PM

    i sort of get lost after how to configure it

  5. Anurag Trehan
     July 25, 2009 at 9:06 PM

    hey srikant I am not able to compile files as it giving me so many errors during my compiling it So please help me….

  6. Rameez Rehman
     July 29, 2009 at 9:33 AM

    Great job………….

  7. ojas
     July 30, 2009 at 1:00 AM

    thanks bro , i hav made it , everyone that shows error use cd command b4 it and it will work.
    but i havnt tried it yet im too sacred its my sisters laptop anything happens and im dead lolz
    thankz

    Ojas

  8. a.j
     July 31, 2009 at 7:19 PM

    hey srikanth..i have turbo c++ compiler..can i compile this file using it??

    • Srikanth
       August 6, 2009 at 10:20 PM

      @ a.j

      Yes you can compile.. but it’ll be 16-bit… You need to compile it using a 32-bit to change it’s icon…

  9. BAPPA
     August 3, 2009 at 11:33 PM

    i got a error massage about the stdio header file.
    warning-unable to open include file “stdio.h”
    -L”c:\Borland\Bcc55\lib”
    should i have to write the whole line.
    plzzzzz help me.

  10. sanjay singhania
     August 5, 2009 at 7:02 PM

    hi skikant.
    my frend has got new broadband connection.and all the time he ask me
    that is anyone hacking my computer?? how can i know that.
    i replied him that i dont know.
    so atlast i want to ask you that can you tell me how can my friend
    know that someone hacking my friends broadband connection or not

  11. Fawkes
     August 6, 2009 at 3:55 AM

    What’s the .c file? I get lost at the part where it tells us to move the .c file to C:\Borland\BCC55\Bin

  12. CrasOveride
     September 8, 2009 at 4:19 AM

    nicely done!
    keep it up

  13. Ritika Sharma
     September 19, 2009 at 2:03 AM

    Hey Shrikant,
    I have created a program (using C language)in which I have listed Tables with the help of loops.Can I save this table in *.txt format?

    Thanks in advance.Hope I’ll get some help.

  14. Bill
     September 21, 2009 at 5:53 AM

    Hi. I tried compiling the codes for the usb virus in the cmd promp it said unable to open include file stdio.h. I even tried reinstalling borland and reconfigure it and it still said the same thing and i configured it right because i did exactly what you said. Please help.

  15. ghost
     September 22, 2009 at 10:30 AM

    Tried to download borland c++ complier but ended up with no downloads available. Any tips from which I can download in an alternative wedsite?

  16. vipan
     October 14, 2009 at 11:17 AM

    i m not able to install any of turbo c compiler on my pc and can i run block_usb.c on unix putty in hostel.if yes what steps i hav to follow to do this

    • Srikanth
       October 15, 2009 at 6:05 PM

      @ vipan

      No the block_usb.c has been coded for windows PC and not for UNIX.

  17. yd15
     October 15, 2009 at 9:44 AM

    Why can’t my files be opened on the Borland Compiler I’ve configured it right as far as I know Ive done it about 7 times…. and still get errors.

  18. jayan
     December 5, 2009 at 3:36 PM

    thank you….very..very..very…much..can you suggest me any tutorial or books..so i can advance in creating trojans

  19. Aman
     December 8, 2009 at 11:10 AM

    Can we run this code in turbo c also or do I have to make some changes to do so and also I would like to know if we can compile and run the code using Ctrl+F9

  20. pasil d'souza
     December 14, 2009 at 5:03 PM

    hey srikant. can u mail me an easy way to create a trojan. i find it hard to make by using c++ way……..

  21. ravi
     December 14, 2009 at 5:48 PM

    You are genius.I am also a computer expert but I wish if i could become like you.May be in next birth…

  22. Dennis S
     December 15, 2009 at 9:06 AM

    very confused…plz break it down into little baby steps for a vista user plzzzzz

  23. DSAdsa
     December 29, 2009 at 2:56 AM

    i get a .obj file please help!!

  24. Jason
     January 6, 2010 at 4:37 PM

    Hi Srikanth Keep up the good work.I really like what you are doing could you teach me.Im really interested.i know some basics oc C as we have programs in C in our college.

  25. Richard
     January 13, 2010 at 10:41 AM

    Hi Srikanth,
    I get to the point where you enter the command promt command to compile the file. Whenever I enter “bcc32 example.c” It says that there were 18 errors in compile. And thanks for putting, so much awesome stuff up on the site.

  26. fametail
     January 30, 2010 at 1:37 AM

    yes, I have the same issue as Richard. I am honestly sure I have contacted you on this B4. I am trying to compile the trojan horse using these instructions.

    • Srikanth
       February 12, 2010 at 2:05 PM

      For all those who are having difficulty in compiling the programs

      It is highly recommended that you have atleast a surface level knowledge of C language and know how to work with C Compilers. Otherwise it would be hard to debug the errors. So I am sorry for all those who have problems in compiling. It’s hard for me to answer each and everyone’s queries.

WHO IS BEHIND GO HACKING

I am Srikanth Ramesh, a computer engineer from India.

Right from the day one I was introduced to computers, I had a passion for Hacking and Information security.

So, I started this blog in 2007 to share my views and ideas with the world. It all started as a blogspot blog and was later renamed as gohacking.com in August 2008.

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