C is a general-purpose programming language
C (pronounced like the letter C) is a general-purpose computer programming language
Questions tagged [c]
492 questions
123
votes
8 answers
fatal error: sys/cdefs.h: No such file or directory|
It has been weeks that I am trying to use Code::Blocks IDE on Ubuntu 14.04 LTS to program Atmega16, however I am hindered by the following error while compiling/building the program in C::B
/usr/include/features.h|374|fatal error: sys/cdefs.h: No…
Mandar
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82
votes
2 answers
How do I write a Unity system indicator in Python?
Background:
This is NOT for application-indicators but system-indicators.
Picture from: https://wiki.ubuntu.com/DesktopExperienceTeam/ApplicationIndicators
The objective is to show indicator-sysmonitor in Greeter/Lock/Ubiquity screens. There is a…
user.dz
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77
votes
1 answer
59
votes
1 answer
No acceptable C compiler found in $PATH
I want to install one package named speech_tools-2.1-release.tar.gz. After I run command ./configure in this package, it show me a message:
Configure: error: no acceptable C compiler found in $PATH
See 'config.log' for more details
What do I…
Sovannarith
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39
votes
2 answers
How to develop a System Indicator for Unity?
This is not a duplicate of How to create Unity indicators?. I'm looking for system indicator not application indicator.
Backgound:
From these two questions:
How do I add or manipulate Application/System Indicators in the login screen?
How to make…
user.dz
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31
votes
2 answers
What provides curses headers named curses.h?
I need a few header file namely curses.h for text based programming
Please tell me how to install these header files.
coder
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26
votes
2 answers
How to compile a C program that uses math.h?
I am having problems in math.h header file and when I use square root function as in sqrt(d). But my compiler is not supporting this. Please advise me about this problem.
My Ubuntu version is 2012.
shreya
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25
votes
6 answers
Source code formatter/indenter
I'm using Ubuntu 12.04. I do not have any root or sudo privileges as this is a company machine.
Is there, in a normal installation of Ubuntu 12.04, any terminal program that I can use to turn ugly malformed source code that lacks any indentation…
user9993
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20
votes
5 answers
Where does Ubuntu store its library files?
I want to add my own library to use in c compiling, but don't really know where ubuntu stores it.
david25
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19
votes
3 answers
My program cannot run with "command not found" error
I just switched from Windows to Ubuntu 11.10.
I wrote the following code in C with the text editor and saved it as HelloWorld.c in Documents.
#include
int main()
{
printf("Hello World!\n");
return 0;
}
And I started the Terminal…
yihangho
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18
votes
5 answers
How to compile a C program that uses pthread.h?
I'm a beginner and I'm new to Ubuntu. I just installed it and want to run a C program. I have no idea what platform to use or where to write the code. I need to use the pthread.h header file in the program. Can anyone help me?
user248075
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18
votes
3 answers
What is the use of /usr/include directory?
I'm very new to Ubuntu. I'm looking at the directory /usr/include it contains lot of header files. I know they have specified certain constants and other information that are used in Ubuntu. I'm confused with the use of it.
One of the directory…
batman
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18
votes
3 answers
Valgrind does debug error
I have been trying to follow the online tutorial for
Learn C The Hard Way.
However after setting up valgrind (I followed other links that help setting up valgrind on ubuntu 12.04), when I try to debug the c executable, I find the following…
Ayusman
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16
votes
3 answers
What is EOF and how to trigger it?
This is my C source code.
When I build it in Ubuntu, it starts to get characters but I don't know how to end the program, as it does not end by inputting ENTER or a carriage return.
What does EOF mean? How can I trigger it?
This source is also on a…
stackprogramer
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16
votes
5 answers
Where's my /usr/include/sys directory?
I recently upgraded from Kubuntu 12.04 to 13.04, a complete reinstall.
Using gcc 4.7.3. I compiled some programs to discover there is no /usr/include/sys directory. That is, types.h, stat.h, etc, are absent. They exist in the include/linux…
Duck
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