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You are working in C.
b is a char *.
In the function you assign to this "a variable!" this means that the address of this string (that is somewhere in the memory) is used in testVars.
When the...

First:
Grade is an integer and not an integer array.

#include <stdio.h>
#include <stdlib.h>

typedef struct Person{
int age;
struct Person *next;
}ListPerson;

int main(){
int n;

If you want a char pointer to your array, you can simply do


int intArray[3];

char *charArray;

charArray=(char *)intArray;

This struct has a pointer to another struct.
Yes, with this you can have a list. Is up to you to fill it correctly.

printf("okay you are done for now, continue?");
scanf("%c", &contin);
printf("will anything else work?");
scanf("%d", &f);

//inputData(arrayPtr,&n, n);

return 0;
}

#include <iostream>
using namespace std;

int main(int, char**) {
int milesPerDay;
int daysPerWeek;
int weeksPerYear;
int milesPerGallon;
double pricePerGallon;
char...

This is wrong.


int []function(int val, int val2){

int i=0;
int o=0;
for (i=val;i<val2;i++){
a[o]=i;
o+=1;

Probably


while (swapped){
swapped=0;
// for (i=0;(i<4)&&(swapped=0); i++){ wrong
for (i=0;(i<4)&&(swapped==0); i++){
if (array[i]>array[i+1]){
...

May be you must redirect it?
Something like:


popen("myexe 2>&1","r"))

So you can get output.
It's a guess....

while ( fgets(buffer, sizeof buffer, pipe));
{
printf("row %d: %s\n", row, buffer);
row++;
}



May be you want to write:

case 1:
case 2:
it's better.

you must implement a recursive sorting.
Starting from the first node, if the i node value is bigger than the i+1 one, you change the next assignement, and so on.

Less quick:


Board(int xMax=10, int yMax=10, int amountOfMines=10){
gameOver = false;
this->xMax = xMax;
this->yMax = yMax;
this->amountOfMines = amountOfMines;
tbl = new...

After a quick look:
in Board() function you instance the memory for an array of Square, but the Square itself is not instanced.
In init() the tbl in not initialized.

if (scanf ("%d%d%d", &nums[0], &nums[1], &nums[3]) == 3)

Is not scanf for scanning from input?
if you want to scan a char string you must use sscanf.
Or better, you can use directly a fscanf...

Why gcc is not a good compiler?

At first a lot of sintax errors!!



#include<stdio.h>
#include<iostream>
#include<conio.h>

class dog
{

I don't understand exactly what 's your question.
Do you want to r/w a file in the same path where you executable is?
If yes, you can use
LPTSTR GetCommandLine(void);
this function returns an...

Do you mean
A=B; and B=A; without using C?

is sja1000.h included in or before pcancommon.h?

I don't know what is the job of
rr_counts(xx_r,yy_r,zz_r,nrows2,nrows3,rad);
What you can do, I suppose is:



void third_read_file(long double *rad, int *nrows3)
{
some code
.

You must define the function
rr_counts(struct DataList* arrayOne,struct DataList* arrayTwo);

The rule inside a single file is this:

a variable is called global if it's defined outside main() or functions().

If you want to declare them inside the main(), you must then pass all them as...

But the struct's must be defined somewhere in sja1000.h before the exetrn declaration.
The compiler must know in advance what CAN_..... are!
If you define only in .C file, the compiler fails.
Try...