Programming :: Volatile Sig_atomic_t Int Terminazione=0 - Error "two Or More Data Types In Declaration Specifier"

Jul 16, 2010

I need to have a global variable PHP Code: volatile sig_atomic_t int Terminazione=0; but I get the error error: two or more data types in declaration specifier even if I have included signal.h.

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Programming :: Installing Tcl/tk For Use In C++ / Error Expected Type-specifier Before Exception?

Mar 14, 2011

I have perl/tk installed and working. I tried using c++/tk and had to change the #include path in the headers to find the tk.h and tcl.h. I tried compiling a simple c++ program with g++ to test that the headers are correct. the line i type at console is:

g++ test.c -o test.bin

I fixed all previous errors, except for the following.


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General :: Compiling Main.c, Conflicting Types And Previous Declaration Was Here Errors

Jun 15, 2011

I'm trying to compile a main.c file that contains a while statement. Embedded in the while statement are functions that are being called. After the while statement, I have 2 more functions being called, one to find the average(getaverage), and one to print the results (printstuff). I also used a header file (my.h) that contains all of the needed #define and #include, along with each of the void function() statements.

There isn't any problems with the while statement/ the functions in while, but when I try and compile main.c I get the following errors:

main.c error: conflicting types for 'getaverage'
my.h error: previous declaration of 'getaverage'
and then the same thing for 'printstuff'

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Programming :: Adding Different Data Types?

Jun 9, 2011

i am searching for a table that gives info about the result of operations (+ , - , * , /) on data types

i mean if we * int by another int, the result should be assign in long so no overflow happens.

something like that.

like what will be the result of mult unsigned int by signed it , is there tables for such operations.

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Programming :: QWebView, Forward Declaration, "error: Forward Declaration Of 'struct QWebView'"?

Dec 28, 2010

I am trying to include a QWebView widget in my application. Every time I try to compile it, I just get these errors:

$ LANG=en_US make
g++ -c -pipe -O2 -march=i486 -mtune=i686 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_WEBKIT_LIB -DQT_GUI_LIB -


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Programming :: C++ Multiple Variable Declaration Error - Even After I Set #ifndef Preprocessor

Jan 18, 2011

Why do I still get mutiple definition of "_my_variable" error even after I used the #ifndef preprocessor in my hpp file?

This is my scenario
I have:
1. A.cpp (including X.hpp)
2. B.cpp (including X.hpp)
3. X.hpp


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Programming :: Conflicting Type Declarations Between Sys/types.h And Linux/types.h

Sep 12, 2010

I'm trying to use "netlink" to get ip address of a Linux box. But the linux/types.h included from "linux/rtnetlink.h" introduced many conflicting type declarations with "sys/types.h".

#include <rtnetlink.h>
#include <sys/types.h>
#include <sys/socket.h>
int main (int argc, char *argv[])
return 0;

The program will demonstrate such type conflicts.

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Programming :: Keep Getting These Areatest2.c:46: Error: Conflicting Types For Error_area?

Feb 24, 2011

#define TRIP 6
#include <stdio.h>
char error_area(char area_code, char S, char M, char L,char N,char P, char K, char R, char


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Programming :: Error: New Types May Not Be Defined In A Return Type?

Oct 12, 2010

The first line of this struct:

struct custom_int {
typedef int big_int;


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CentOS 5 :: Error: Expected Specifier-qualifier-list Before 'dns_tsec_t'

Jun 21, 2011

I m trying to write a program that use omapi but when put the include dhcpctl.h and isc/result.h i m but able to compile the source.

In file included from /usr/include/dhcpctl.h:38,
from rece.c:11:
/usr/local/include/omapip/omapip.h:40:22: error: dns/tsec.h: No such file or directory
In file included from /usr/include/dhcpctl.h:38,


I tried to install bind-devel-9.3.6 and 9.3.4...and still no file...

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Programming :: Pointer Vs Array Declaration?

Jul 26, 2010

Whats the practical diffrens between these declarations in c?

char *a_str = "hello";
char a_str[] = "hello";

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Software :: Setting Data Types In OpenOffice Calc?

Mar 3, 2010

you are using Calc to hold data, and you have a column of surnames. You enter True and it turns into TRUE: OO has decided you wanted a Boolean. Similarly, you enter a date as 12 Jan 09: it may appear in that format, but you can't search for Jan 09, only for 01/09. Is there any way one can set the data type of a cell as text, or prevent OO from carrying out unwanted type conversions? I suspect the answer will be no; I can't find anything in the pages, and I suspect the developers would say I should be using Base. Well, I don't want to use Base: I want my data displayed spread-sheet style There is a solution: to insert non-breaking spaces in dates and after words like "true", but it would be nice if the problem could be fixed just once.

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Programming :: Declaration A Variable In One File And Initializing In Another?

Nov 25, 2010

I made 2 files which are different from the program above one is temp1.h and another is temp2.c to understand how extern is used. So here is temp1.h


typedef struct node * bond;
extern int jk;

and temp2.c is


struct node {
int data;


I had declared jk in temp1.h as an extern int so why can I not initialize it in temp2.c?

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Programming :: IDE Features: Function Declaration In Info Bubbles?

Jun 3, 2009

I can't remember what it's called, but this feature of VC++ basically catalogs all the functions of a project, lets you right click on a function and go directly to it's declaration or definition, do not pass go, do not collect 200 dollars. it also gives you an info bubble of the variable types as you're typing a function's name.

this is a very convenient feature, and I'd like to use it with KDevelop, or really any full C++ IDE for linux. does such a thing exist?

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Programming :: Get Eclipse C Compiler To Work - Warning: Implicit Declaration Of Function Strlen

Feb 11, 2009

I have the plugin installed ok and have pasted in a C source file that I know works and am getting the following errors, I think because the linker options need to be set in some way. I cannot copy the errors but they all complain of implicit declaration of functions like this: -

warning: implicit declaration of function strlen

But I have the headers included, is this a linker problem? Here is the code -

#include <stdio.h>
#include <math.h>
int main(){


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Server :: Technology For Detecting Types Of Traffic And Allowing To Run Multiple Types?

Apr 9, 2011

I would like port 80 to have a small daemon running on it that detects HTTP traffic and sends a small redirect response, and any other traffic begins streaming data from my VPN daemon. I was wondering if this has already been made, or any kind of technology for detecting types of traffic and allowing you to run multiple types of servers on the same port.

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Programming :: What Are Types Of API's?

Jul 15, 2010

What are the different types of API's in linux?How can we predict the kind of API we are using?And what are API layers related to?Are API's and system calls ,both are same?

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Programming :: Stat On Cifs - Fails With Error No 75 - Error Shows "Value Too Large For Defined Data Type"

Dec 29, 2010

i have Ubuntu10.10 (kernel-2.6.35-22-generic) installed. struct stat StatBuff;


I have mounted a windows share folder on /mnt. When i gave any directory within /mnt/ to stat function it fails with errorno 75. perror shows "Value too large for defined data type". Example 1 is fail but Example 2 works fine.

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Programming :: Why Redefine Basic Types In C

Jun 24, 2010

I guess I'm just a noob, but I notice that some C libraries (and even some C++ ones) tend to redefine the basic types with their own naming convention.

For example, OpenGL redefines the basic types:
Code: from GL/gl.h
typedef unsigned int GLenum;
typedef unsigned char GLboolean;
typedef unsigned int GLbitfield;
typedef signed char GLbyte;
typedef short GLshort;
typedef int GLint;

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Programming :: Parser Symbols With Different Types

Nov 27, 2010

I decided to try making a programming language again after my last unsuccessful attempt, so now I figured how to write a good AST and it works great when the nodes are hard-coded into a test program. But to make a language out of it, I need a parser to build the tree according to an input file. I ran into a problem here:

YACC input file:
#include "nodes/allnodes.h"
#include "Node.h"
int vars[26];

%right ASSIGN
%left NE
%% .....

As you might see, each nonterminal creates a Node* object and uses it as its value. The problem is that the literal tokens, however, don't return Node*'s and I don't know what to do. I would like to be able to convert literal tokens to nodes in the Lex file (which would avoid the problem), but the problem is with the assignment operator, which takes a Node* for the right-hand side and a variable name (not a Variable Node, because they just evaluate the the variable's value and you can't change the variable with them) for the left hand side.

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Programming :: Wrapping Around Functions With Different Return Types?

Feb 1, 2010

I have functions which return different data like: int, char*, double...

I also have a list of datatypes (INTEGER, TEXT, REAL...) which can be returned.

I need to map a datatype with function, which purpose is to return it. Therefore, when I determine a datatype, I would like to call the required function without doing switch all the time.

My idea is to have an array of structs like this:

struct type_func_map
int type;
void (*func_wrapper_int)(void); //void (*func_wrapper_text)(void); void (*func_wrapper_real)(void);


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Programming :: Find Sys/types.h File / Library Files?

Mar 24, 2009

can anyone provide me with the path where i can find the library files. stdio.h, sys/types.h.......

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Ubuntu :: Grsync - Filtering File Types / Getting Only Some File Types Getting Included And Not Others?

Sep 1, 2011

I'm using Grsync and I want to be able to plug in any drive into my laptop and run rsync on it to back up all the user documents on there to another external hdd and to exclude everything else. Working on the principle that user documents don't always appear where we'd expect I want rsync to look through the whole drive and filter what it backs up by file type. I am only having partial success, however.

I am using the 'filter' option in the 'additional options' box. I am using the command
filter='merge /home/tim/Desktop/filter'
and I am attaching the filter file I have written. (I have added the .txt extention to upload it).

I have tested this script on my home folder and here's what's going wrong. Rsync will copy the entire directory structure regardless of whether there are any files to be copied over in those directories. I am also getting only some file types getting included and not others. .odt and .ods files are copied, for instance, but not .doc or .rtf.

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Debian :: Volatile Archive For Squeeze?

Feb 11, 2011

Are there any volatile archive for squeeze? I have been running this before on lenny, so I was sure I was getting the latest antivirus updates for ClamAV?

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Debian :: Change From Volatile To Testing

Oct 17, 2010

For some reason I installed Volatile, as opposed to Testing... I have tried the change all Volatile to Testing process, and every time I do so, I end up with a non-working system. Is there some process I am missing in this? Here is my sources list:


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Programming :: Get Data From Serial Port Function Read() Blocks When Data Not Available?

Jun 11, 2009

I am using read() in c++ to get data from a serial port. However, if no data is available on the serial port the function blocks until dta arrives.Example code:

char m_readBuffer[255] = {0};
char* p_curChar = m_readBuffer;


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Fedora :: Gcc Error: Conflicting Types - Warning: Passing Argument 2 Of R00002_ From Incompatible Pointer Type

Jun 17, 2011

I'm trying to install a program (MOPAC2007) from the source code which is a 32-bit program, but I get the following errors:


I have installed the 32-bit libraries (gcc-gfortran.i686, glib.i686, libstdc++.i686).

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Programming :: ARPACK++ - Error "Matrix Data Contains Inconsistencies"

Jun 26, 2011

In the following code, I am trying to define a matrix in CCS (which is equivalent to CSR for a symmetric matrix, right ?) in ARPACK++.
I have installed and patched ARPACK++. (The matrix is not sparse, but still it should not give an error)


Why is this so ? I have checked the values of ia and ja by running intel MKl on the matrix to find the CSR (again, CSR=CCS for symmetric matrix, right ?--I am asking this because ARPACK++ uses CCS, not CSR), and the values are the same. Is this some problem of 0 and 1 indexing ? Does ARPACK++ use 1 indexing?

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Programming :: Find Where Error - After "strcat", Data All Become 0x00

Oct 18, 2010

I create a http client to send data to server. The code :

int main(int argc, char *argv[])
int sockfd;
char buffer[1024];
struct sockaddr_in server_addr;
//struct hostent *host;
int portnumber,nbytes;


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Programming :: Data Directory In Automake - Data Is Always Read-only ?

May 9, 2010

I have some data files that should be distributed with my program. Using dist_pkgdata_DATA in, I get these files installed to /usr/local/data/share/package-name. The problem is that data is read-only, and my program needs to modify it. Playing with dist_sharedstate_DATA, dist_localstate_DATA, dist-data_DATA varibles, I got different installation directories, like /usr/local/com, usr/local/var, but data is always read-only.

How can I distribute modifiable data files with my package? I need some common directory for all users, or maybe local data in a user directory.

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