10 More Discussions You Might Find Interesting
1. Programming
Hi guys, I'm trying to understand pointers in C and made a simple example and I've problems with It.
Can someone help?
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
int f1(char **str_);
int main(int argc, char **argv)
{
char *str = NULL;
f1(&str);
... (3 Replies)
Discussion started by: pharaoh
3 Replies
2. Programming
Hello All,
I am having this issue...where I am actually having hard time understanding the problem:
The code is as follows:
#include<iostream.h>
void fxn(char*** var)
{
int i =4;
*var = (char**)malloc(i*sizeof(char*));
for(int j =0; j<4; j++)
{
*var = "name";
cout<<*var;... (6 Replies)
Discussion started by: mind@work
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3. Homework & Coursework Questions
Hi, i'm trying to copy a struct into a binary file using the unix instruction write, so i declare and fill the struct "superbloque" in one function "initSB" and then i pass the pointer to another function called bwrite (for block write) which calls write. The problem is that i call the function... (2 Replies)
Discussion started by: ignatius3
2 Replies
4. Programming
Hi guys.
What is the difference between these:
1. int *a;
2. int (*a); (2 Replies)
Discussion started by: majid.merkava
2 Replies
5. Programming
I have a special character called ô. When it is declared as a character variable its showing it can be printed. But when it is declared as a character pointer variable its showing it cannot be printed. I am just wondering why its happening like this..
c1 = '@';
c2 = 'ô';
char *fp;
fp="XXô";
if... (1 Reply)
Discussion started by: sivakumar.rj
1 Replies
6. Programming
Hi I mash with pointers in C. I solve this problem about 5 hours and I don't know how I should continue.
void InsertFirst (tList *L, int val) {
tElemPtr new;
if((new = malloc(sizeof(tElemPtr))) == NULL) Error();
new->data = val;
new->ptr = L->frst;
L->frst = new;... (2 Replies)
Discussion started by: Milla
2 Replies
7. Programming
is this a valid c declaration
int (*ptr(int *b));
plz explain... (4 Replies)
Discussion started by: areef4u
4 Replies
8. Programming
hi all,
let say i have a pointer exit, and this exit will store some value. how can i store the value that the pointer points to into an array and then print them out from the array.
thanks in advance (2 Replies)
Discussion started by: dianazheng
2 Replies
9. Programming
HI,
Here is some thing that is puzzling me from a long time.
Can some body explain me this with example.
The question is :-
What is the difference between function pointer and pointer to a function.
Where do we actually use the function pointers and pointer to functions.
Thanks in... (0 Replies)
Discussion started by: S.Vishwanath
0 Replies
10. Programming
Below is the program i tried to execute......
main()
{
static int a = {0,1,2,3,4};
static int *p = {a, a+1, a+2, a+3, a+4};
printf (“\n %u %u %d”, p, *p, *(*p) );
}
This works, but i wanted to know why both a and *p are declared as "static". If we dont declare a as static... (2 Replies)
Discussion started by: Jayathirtha
2 Replies