C++ :: Value Change After Call Reverse Function

Jul 4, 2013

Which value change after call reverse function.

#include<iostream>
using namespace std;

static void reverse (int len, char *buf) {
char tmp[24];
int i;

[Code] ....

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C/C++ :: Change Function Argument To Negative During Call?

Feb 28, 2015

We are programming a function calculator and my instructor hinted that the add() function is almost exactly like the subtract() function and we would only have to write one function if we "called it in a special way." This got me thinking, can I turn a function's argument to negative during the call to make it subtract?

Example:

void addSub(int &num1, int &num2)
into this
void addSub(int &num1, int -(&num2))

Would this work when passing by reference?

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C++ :: What Is Function Call Overhead And Function Call Stack

Apr 25, 2014

What is Function call Overhead and Function Call Stack?

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C :: Reverse Function That Inserts And Prints Binary Function Correctly

Nov 3, 2013

I have written a function that inserts and prints a binary function correctly.

For example a tree like this [URL] ..... would print like this

Code:
node: 10
node: 7
node: 6
node: 8
node: 9

[Code] ....

Here is my print function

Code:
void prt_tree(struct node *tree) {
if (tree == NULL) {
printf("Null Tree
");
return;

[Code] .....

Could I just make some adjustments to my function to reverse it? and if so, how?

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C :: Reverse A String - Function Is Not Getting Called

Aug 29, 2013

I am new to C and trying to reverse a string but the function is not getting called.. the console says :

Enter a stringabhi
bash: line 1: 229 Segmentation fault (core dumped) ./program

Code:
#include<stdio.h>
#include<math.h>
#include<string.h>
char* reverseString(char input[]);
void main()

[Code] ....

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C++ :: Variadic Function - Parameters Get Passed In Reverse

Nov 17, 2014

I noticed that when using variadic functions, if I pass the va_arg() as parameter to a function, the parameters get passed in reverse. Is that expected?

For example, the following code outputs
Code:
1 2
2 1

Code:
#include <iostream>
#include <stdarg.h>

void foo_func(int v1, int v2)
{
std::cout << v1 << " " << v2 << std::endl;

[Code] .....

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C :: Reverse Array Of Characters Using Recursive Function?

Mar 15, 2014

Eg. User input : abcde
Program Output : edcba

I keep on getting weird ASCI symbol in return, I couldn't achieve what I need, and tried debugging for days,

Code: char ar[20];
int len,n=0;
printf("enter the string to be reversed :
");

[Code].....

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C++ :: String Reverse Function - Array Declaration

Jan 23, 2014

Here's my program: - Program which inputs a string from user, reverses it and displays it.

#include <iostream>
using namespace std;
void string_reverse (char [], const int);
int main() {
const int arraysize = 10;
char string[arraysize];

[Code] ....

In the string_reverse function, I have declared temp character type array but on line 38, the

compiler is throwing 3 errors: -

error C2057: expected constant expression
error C2466: cannot allocate an array of constant size 0
error C2133: 'temp' : unknown size

I have declared a constant integer arraysize in line 35. Now I have no clue why is this happening because I think as I have declared it as a constant integer variable, this should not happen.

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C/C++ :: Strrchr Function - Search For A String From The Reverse

Feb 27, 2014

I understand that the strrchr function is supposed to search for a string from the reverse. Unfortunately, mine isn't doing that.

#include <stdio.h>
#include <conio.h>
int main() {
char userinput[100] = "null";
char searchchar;
char *s;
char try_Again;

[Code] ....

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C++ :: Conversion Of Longitude And Latitude - Reverse Function

Mar 9, 2015

I have code for conversion of longitude and latitude and I need to reverse the function so it will work in opposite direction:

Code:
float LongitudeDeg = argv[1]; // some longitude
float LatitudeDeg = argv[2]; // some latitude
uint32_t u,v,l,n;
l=15; // l range is 2-29

[Code] .....

On start of the code we know longitude,latitude and l. And the result is u and v. And I need function when I will know the u and v, possibly l too, to calculate longitude, latitude.

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C++ :: Syntax Error In Function Call - Type Mismatch In Parameter In Function Sort

Jul 6, 2014

error says "cannot convert 'int*' to 'int' in function main()
and also
type mismatch in parameter in function sort(int,int)

Heres the code:
#include<iostream.h>
#include<conio.h>
void main() {
void sort(int,int);
clrscr();

[Code] .....

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Visual C++ :: Error C3867 Function Call Missing Argument List For Calling Thread Function

Mar 19, 2013

I searched the web for error: C3867... and the discussions where murky or obscure.

My code excerpt is:

#pragma once
#include <windows.h>
#include <stdlib.h>
#include <process.h>
void PutUpfrmIO(void *);
namespace WordParsor {

[Code] .....

I get the generic message:

error C3867: 'WordParsor::Form1::PutUpfrmIO': function call missing argument list; use '&WordParsor::Form1::PutUpfrmIO' to create a pointer to memberc:userskingc++wordparsorwordparsorForm1.h... and the suggestion fix generate another error.

One person suggested the gcroot<> object wrapper... but I do not know how to modify/declair the function or its argument type.

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C++ :: Implementing Recursive Function To Print Linked List In Reverse Order

Nov 29, 2014

Implement a recursive function named void printBack(DoublyLinkedNode<T>* node) for the class DoublyLinkedCircularList which will print out the elements in the list from back to front. The function is initially called with the first node in the list. You may not make use of the previous(prev) links

This is my solution where I got 2 out of a possible 3 marks:

template<class T>
void DoublyLinkedCircularList<T> :: printBack(DoublyLinkedNode<T>* node) {
if(node->next == NULL) //Correct- 1 mark
return 0;
else
printBack(node->next); //Correct - 1 mark
cout << current-> element << " ";
}

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C++ :: Call Of Non Function

Jan 9, 2015

I have decalred a password function which accepts an array as parameter but while compiling, it's showing an error wherever I have called it.

void password(char a[100])
{
if(::q==1) { cout<<"
Enter the master password : "; goto ENTER; }

[Code]....

Wherever I have called this function it's showing an error: "Call of nonfunction." One of the examples of the errors is below:

::q=1;
password(master_password);
//Both 'q' and 'master_password' being global variables, and master_password being array of size 25.

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C/C++ :: Can't Call A Function

Jan 12, 2015

I wrote a program which detects a pattern in an array then returns a valve (x) for each time it does. now i tried to call function patt in main so that i can print x but it doesn't let me do it.

#include <stdio.h>
int patt(const int SIZE, char str[], int i, int c);
int main(void) {
const int SIZE=21;
char str[SIZE]={'1', '0', '1', '1', '0', '0', '1', '0', '1', '0', '1', '0', '0', '0', '1', '0', '1', '1', '0', '1'};
int i, c=0;

[code].....

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C/C++ :: What Is The Call By Value In Function

Mar 5, 2013

what is the call by value in function??

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C++ :: Call Of Non-function In Function Main

Feb 16, 2013

I am getting call of nonfunction in function main <> error and 's' is assigned a value that is never used in the function warning...

#include <iostream>
#include <cmath>
#include <iomanip>
using namespace std;
int main() {
float a,b,c,s,area;

[Code] ....

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C++ :: No Matching Function For Call

Mar 5, 2013

This is the error I keep getting, but I'm not sure how to resolve it.

assignment7.cpp:11: error: no matching function for call to 'Time::display() '

Time.h:18: note: candidates are: void Time::display(int, int)

Code:
#include "Time.h"
int main() {
Time tm;
tm.set(12,53);
dt.display(); //Should display 7/4/1776

[Code] .....

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C :: Possible To Call A Function During Execution?

Feb 16, 2013

I want to write a function and be able to call it during execution (say during a while(1) loop). Is this possible without having to parse an input string to extract the function and parameters I need or is that the only way?

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C++ :: Function Call Is Not Working

Oct 15, 2013

i think my function call is not working and i dont know how to fix it. Basically i want it to output my getstudent function and once i get the information i want it to output with the displaystudent.

#include <iostream>
#include <string>
using namespace std;
void displayStudent(Student x) {
cout << x.first << ' ' << x.last << endl;
cout << x.id << endl;

[code]....

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C++ :: No Matching Function For Call?

Jun 1, 2013

no matching function for call to `getline(std::string&, char&)' Why is this error occuring?

My Aim is to copy each character or integer to an array

MY PROGRAM:-

#include <fstream>
#include <iostream>
#include<conio.h>
#include<string.h>

[Code].....

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C++ :: No Matching Function To Call?

Sep 6, 2013

The random method in here should return a random value inside given array.

The program constantly crashes when I send the array object as full.

It will only allow for you to choose the first 4 objects in the array, if you choose object number 8, for example, the program crashes.

So Im trying to send the pointer to the array instead. But now the compiler claims not to know of any such function.

static string getRandom(string* avalible[]){
cout << "Get random";
cout << "index: " << (*avalible)->length() << endl;
int index = random((*avalible)->length()-1);
cout << "returned" + index;

[Code] .....

I can remove the "10" from the string first[10] but it doesn't make a difference.What is wrong with this?

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C++ :: How To Call The Function In Different File

Sep 1, 2013

How to call the function in different file. 1 main and 5 function.

I'am not sure to create the function to call each by one in different file.

#include <iostream>
#include <string>
using namespace std;
int main() {
double FA;

[Code] ....

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C++ :: Identifier Before Function Call

Jan 26, 2015

what is the meaning of identifier before function call in this example? i mean that in syntax context

// Create a stack-allocated handle scope.
HandleScope handle_scope(isolate);

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C++ :: Function Call Is Skipping

Sep 13, 2013

When I call the member function in the main function, two functions are working fine but the third one(print()) is not. The program stops after executing the read_ages function and nothing printed on the screen. This is really strange and I could not find any problem after spending hours and had to post it here.It is a very simple program but I cant find the bug. It is a multiple file program and I am using MinGW as a compiler.

//File 1

#include<vector>
#include<string>
class Name_pairs {
private:
std::vector<std::string>names;
std::vector<double> ages;

[Code] ...

//I haven't made the sort function yet since I am stuck with the print(). Seems //like the compiler is skipping the print() function.

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C++ :: Function Call From Header

Nov 27, 2014

I've got These 3 files:

// OTI.h
extern void Unpack(void* Packet);

// PackUnpack.cpp
#include "OptiTrackInterface.h"
void Unpack(void* Packet) {
...
}

// OTI.cpp
#include "OptiTrackInterface.h"
Unpack((char*) &indata);

When i try to compile OTI.cpp, I got the error that Unpack is undeclared.

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