C is a general-purpose computer programming language used for operating systems, games and other high performance work and is clearly distinct from C++. It was developed in 1972 by Dennis Ritchie for use with the Unix operating system.

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206 views

C program output file gnome-terminal

I have created a C program and made an executable under Linux. Right now, I open the executable by going first to gnome-terminal and then type ./<filename> I want to create a shortcut icon ...
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4answers
167 views

Why would a compiled and linked high-level language execute slower than Assembly/machine code? [closed]

Say I compile and link C in to a flat binary or some executable output format to run on a bare machine. If I optimized and fed the direct binary to the CPU upon boot up, why would the resulted format ...
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2answers
48 views

Full screen mode not working for tc

I am using a windows 7 os. I am assigned by my instructor to write a C program to draw a circle. I was asked to do it using turbo c. Now, I have installed tc from an old cd of mine. When I open my ...
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0answers
13 views

How software product is modularize and on which bases modules are separated? [closed]

I am currently a student. We are developing two new projects 1. web application 2. some project using c. This is the first time I am developing new my own projects. Please help me to understand 1. How ...
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2answers
51 views

Issues installing linux drivers from makefile

Since this was more of a software/driver issue I posted the question on SuperUser rather than EE Exchange. I searched around on the net a bit and found a very useful USART to USB converter bridge. ...
0
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1answer
22 views

Vim inserting C style comments

:command Linecomment :normal ^i/*<ESC>$a*/<ESC> The above command is one that I came up with in order to comment out an entire line in C, normally for debugging purposes and whatnot. I ...
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0answers
25 views

Front end application that ties back to SSH server [closed]

We are in need of building an application for Windows that basically acts as a front end to the backend SSH server. Our internal clients login via ssh (PuTTY) to our server and their login shell is ...
142
votes
8answers
8k views

What do the parentheses and number after a Unix command or C function mean?

I keep seeing parentheses and a number after a command in Unix or Linux or C function. For example: man(8), ftok(2), mount(8), etc. What do these mean? I see them in man too.
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1answer
13 views

Gstreamer unable to link API's , Linker error

I was trying to read the PAT table information , Color Balance interface etc using gstreamer in ubuntu . but the the definitions of the API's used by gstreamer to achieve these are not available ...
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1answer
4k views

Installing Cygwin C and C++ compilers for NetBeans IDE 7.2

I am very new to Cygwin, C, C++ and NetBeans IDE 7.2. My PC is running MICROSOFT WINDOWS 7 OS. I have read the documentation on how to install the Cygwin C C++ compilers. ...
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0answers
17 views

How do I set up the NVIDIA nvcc toolchain in Netbeans 8.0 in windows 8.1

I found a plug-in for the nvcc toolchain but it only works on linux. What I want is to be able to compile CUDA C code on my windows computer from within Netbeans. ATM I'm using Netbeans 8 and MS ...
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0answers
13 views

How to get stdout of another program [duplicate]

Some Linux program prog1 permanently prints to console. I'd like to read and analyse it's stdout in my C program prog2 as stdin. I can't change prog1 source. I expect something like this command: ...
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0answers
23 views

How to include Yacc/Bison-Parser into own project?

I'd like to use the yacc/bison parser for my own project. When building the Parser with my own Makefile, everything works fine. I took the sources from ...
0
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0answers
9 views

Finding number of Pythagorean triples within a given range [migrated]

I am trying to write a program which prints Pythagorean triples (a^2 + b^2 = c^2) for a given range N where a<=b<=c<=N. #include <stdio.h> int main() { int a = 0, b = 0, c = 0, N, ...
1
vote
1answer
42 views

Cannot compile C programs after deleting libc.a and libc.so

I removed libc.a and libc.so files from my Raspberry Pi. I read somewhere that it was going to fix a problem i had with the mpi.h library, but instead of that it has prevented me from compiling C ...
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0answers
47 views

How to convert 'c' program into python module

I want a program that can encrypt/decrypt a file on windows 7 using xxtea which is a fixed up version of tea. I found that google has such a system at ...
0
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2answers
79 views

where's the man pages for sizeof function in c lib?

How come there's no man pages for sizeof c function ? $ man 3 sizeof No manual entry for sizeof in section 3 $ man sizeof No manual entry for sizeof I see man pages for other c functions if I do ...
3
votes
1answer
403 views

How to run a Perl script in a Unix environment from Windows?

A little background: I am trying to interact with data I have saved in Perl files using a program I wrote in C using the Win32 API. The C program is in Windows and the Perl files are accessed ...
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0answers
49 views

Redirect output to console I/O on IAR Embedded Workbench

I have coded a project of mine in C on a Windows machine in the software IAR Embedded Workbench IDE. The project compiles and runs fine. I have a couple of printf functions in my code. But the thing ...
2
votes
1answer
46 views

Record a process's User/System/Real time in Linux/Bash with greater precision

What I am looking for is something along the lines of /usr/bin/time, however, this usually does not have enough precision. I am running a C program (that I can edit and recompile) and I need to ...
4
votes
1answer
4k views

NetBeans + MinGW + C - file not found

I have installed NetBeans 7.3 (twice this day), and installed MinGW (many times today). My OS Win 7 64 I tried to install MinGW with MSYS, tried MinGW with MSYS and MinGW DT, MinGW without MSYS, ...
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1answer
42 views

stuck on i2cmaster library

i want to try repair my batteries with smbus hacker code over arduino. first it was has some problems. i have tried to fix them and i fix. now i have problem on library i2c\test_i2cmaster.c.o: In ...
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3answers
204 views

Change network settings programmatically without root

I want to change network configurations like dhcp, ip address and so on programmatically. But what I don't want, is to run my application as root. So my question is: What would be a common approach ...
1
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1answer
61 views

How to install gcc 4.4.7 on Mountain Lion

I need to install a specific version of the GNU GCC compiler, gcc 4.4.7, on my macbook, but I'm not sure how to do this. Most places I've found install later versions but I need to install that ...
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0answers
12 views

accesing G-listed sectors

is it possible to acces g-listed sectors? in the scsi protocol I can get the amount of g-listed sectors via a a scsi command however I wonder if I can try to read from them. maybe with a direct read ...
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0answers
36 views

How to get PID of proccess that send SIGRT?

I have a problem with getting sender PID. I write a simple program, but it is not working in function sig_handler in (*info).si_pid. It tells me that there is no such a member. Why? int sethandler( ...
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votes
1answer
94 views

C compiler in command prompt

It is my understanding that the Windows operating system (windows 7 to be exact) must come with a C compiler because the OS is written in C. How can I access such a compiler to compile my C source ...
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2answers
132 views

How to invoke shell script while staying in interactive mode

When I call: execl("/bin/sh", "/bin/sh", (void *) NULL); The /bin/sh/ program is started, which opens a shell in which I can type commands. However, if I call: execl("/bin/sh", "/bin/sh", ...
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0answers
49 views

How to use astyle to format code for linux driver

How can I use astyle to format code for linux driver? I try usingn astyle like this astyle --style=linux myfile.c but it does not fix things like int i,j; there should be a space after ','. ...
0
votes
1answer
60 views

Linux/Bash: Comment every line matching a pattern

sed is foreign to me, to say the least. I'd like to traverse a C project tree and comment out every line calling the function LogMsg(). Something that'd achieve the following: foreach: line within ...
0
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1answer
39 views

Virtual Machine Implementation similar to the JVM [closed]

I'd just like some information about how best to implement a virtual machine. I'd just like to know a couple of things: Is a VM more like a Virtual Computer or a Virtual Processor? What are some ...
2
votes
2answers
371 views

What's the most easy-to-install Neural Network C++ library with command-line for Linux? [closed]

I'm a fan of the "test first" approach to programming. My C++ program needs a neural net. I've been trying FANN (http://leenissen.dk/fann/wp/) but it's been a struggle, as it requires a language ...
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vote
2answers
834 views

How can I automatically lock the screen when idle in CentOS?

How can I automatically lock the screen when idle in CentOS? I would like it so that a user has to re-enter their password once the machine has been idle for a period of time. If there is no option ...
2
votes
1answer
94 views

Get Physical NIC's Mac Addresses on Linux

I am trying to get the mac addresses of a Linux machine. I only want the physical NIC's though, not the virtual ones. I have been doing some searching and maybe I am not punching in the right terms ...
0
votes
1answer
67 views

Should I use Python or C for a language interpreter? [closed]

I'm planning on writing a language interpreter for a custom language of mine. The language will work similarly to PHP in that it will be run off of a web server and the code will be executed in the ...
2
votes
4answers
692 views

What are these hex codes and how can they be decoded/encoded?

I have some interest if finding out a bit more about an exploit that was published that creates a root user in a linux machine; however, before I run the code, I want to make sure I understand all of ...
1
vote
2answers
961 views

How can I install GCC on Mac OS X Lion without Xcode?

I find it really hard to believe there is not a simple solution to install GCC on Mac without having to download and install more than 1 GB+ of Xcode. I found a site that helps reduce the amount ...
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votes
1answer
91 views

C/C++ programs hang in Windows 7 console

I've installed Windows 7 Home Premium. It's working fine, except one major problem. When I run any C or C++ program in the console, using any software like Dev-C++, Code::Blocks or Visual Studio, it ...
0
votes
1answer
61 views

Need advice with making a customized linux distribution (From scratch or pre-existing distro?)

I'm working on an application on a bootable USB drive that runs at startup (doesn't give the user access to anything but this program). I figured I'd utilize an existing distribution, strip it of ...
0
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0answers
30 views

Building php module on linux - lpsolve55

I'm trying to install a php model called lpsolve. I installed it on OS, now trying to make a use of it for php. I installed them as explained here: http://jeyroz.tumblr.com/post/605709794/lpsolve-php ...
1
vote
1answer
88 views

How to create an operating system on top of Ubuntu 13.10

I want create an operating system the way Mac did, building a program on top of a Unix operating system. I am planning to make a small operating system with a small amount of functions using C. I do ...
6
votes
1answer
1k views

emacs — C/C++ jump to beginning of containing block

While editing C or C++ files in emacs, I'd like to be able to go to the beginning of the containing block of code. I was expecting to find a c-beginning-of-block function, but alas, no such function ...
0
votes
1answer
26 views

To run Makefile.tpl in OSX

I have the file here which syntax seems to be near normal make-file with parameter install. I run unsuccessfully make install I get make: *** No rule to make target `install'. Stop. I get the ...
0
votes
2answers
63 views

Why execute permisiions along with write permissions needed for creating file in c(Linux)?

I am trying to create a file from my c source code on linux. I am using dd command for reading from a file and writing in to a file by creating there. If i don't have execute permissions(I have write ...
0
votes
1answer
337 views

Why i can't run idle in python, while i am connected through putty

here is the the text it shows when I try to run idle: Traceback (most recent call last): File "/opt/epd/bin/idle", line 5, in <module> main() File ...
0
votes
1answer
52 views

running program in high priority -> does not log anymore

I have a project in visual C 2010 that needs real-time timing in high priority to eliminate stuff like hard disk maintenance and stuff. I ran the .exe file of my project using start "" /high & ...
0
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1answer
71 views

Cant compile SDL source file with gcc

i downloaded a manual of introduction to graphics programming with SDL, so i tried to compile my first source and it logged the next error the command to compile it was: $ gcc helloWorld.c [-o ...
3
votes
1answer
165 views

Is it possible to compile with make.inc and Makefile

I am a newbie to the use of make files. I have added a new module in project using make.inc The structure of project is like:- /Project/build.sh /Project/make.inc /Project/Module1/Makefile ...
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0answers
39 views

Codeblocks with MinGw not storing compiler location

I recently switched back to Windows on my primary computer and installed codeblocks bundled with MinGW. Now every time I launch the IDE I get a message warning me that codeblocks can't find my ...
1
vote
1answer
120 views

Where can I download the .so for OpenSSL

Does anyone know if it is possible to download the latest shared library of OpenSSL from their website? I can only find the source, so maybe they don't make it available. I know I can build this ...