Regarding Function and Pointers.

10 More Discussions You Might Find Interesting

1. Programming

How to Declare an array of function pointers?

I am attempting to create an array of function pointers. The examples I follow to do this are from: support.microsoft.com/en-us/help/30580/how-to-declare-an-array-of-pointers-to-functions-in-visual-c ...

2. Programming

Pointers and array

Hello, I read from a book exercise for a challenge. How to print out each letter of char array a by two different pointers pa and ppa in the example? I have tried my code for letter "r" by testing without full understanding as only the first one worked. #include<stdio.h> int main() { char...

3. Programming

question about Function pointers

Hello forum memebers As iam new to C++ programming i am little bit confuse to understand the function pointers. Please help me to understand the function pointers with examples are suggest me good site for this,Its better if it have picturial representation ie any PPTS available in Google....

4. Programming

Need help with the Pointers in C

I have a special character called �. 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 = '�'; char *fp; fp="XX�"; if...

5. UNIX for Advanced & Expert Users

shared pointers

I am new to shared pointer conceot in C++ and hence require some clarification: For example: class A { public: virtual ~A() { } int x; }; typedef boost::shared_ptr<A>...

6. Programming

restricted pointers

Hi all. I am trying to use restricted pointers to allow the gcc compiler optimize the code, but I have not been able to make it work so far. I am testing with this code: #include <stdlib.h> #include <stdio.h> #include <time.h> #include <sys/time.h> void vecmult(int n, int * restrict a, int...

7. Programming

pointers

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;...

8. Programming

pointers

is this a valid c declaration int (*ptr(int *b)); plz explain...

9. Programming

Pointers and array

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

10. Programming

Sharing C++ Objects with virtual function table pointers

I am pondering the next question: Can I safely sare objects that have virtual functions (i.e. have virtual function table pointers) between two processes ? Where will the pointers point to in each process ? What I am afraid of is that in the creating process the pointer will indeed point to...

Programming