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Scheduling CPu algorithms

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Join Date: Oct 2009

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50701735

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Scheduling CPu algorithms

Oct 20th, 2009

please tell me about some my questions.
if (we have a pointer *tmp)-> that my goal is assign that pointer for another pointer ** temp ;
so ,how do we assign for right sytax.

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Join Date: Sep 2009

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dkalita

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Oct 20th, 2009

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Originally Posted by 50701735

please tell me about some my questions.
if (we have a pointer *tmp)-> that my goal is assign that pointer for another pointer ** temp ;
so ,how do we assign for right sytax.

are u asking something like

 Help with Code Tags 
 C Syntax (Toggle Plain Text) 
 
int y;
int *p;
int **pp;
p = &y;
pp = &p;
int y;
int *p;
int **pp;
p = &y;
pp = &p;

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Join Date: Oct 2009

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50701735

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function pointer

Oct 20th, 2009

•

Originally Posted by dkalita

are u asking something like
Help with Code Tags

C Syntax (Toggle Plain Text)
 
int y;
int *p;
int **pp;
p = &y;
pp = &p;
int y; int *p; int **pp; p = &y; pp = &p;

thanks for your answer.
so if i have a function and a pointer . i want to point that pointer to that function,how must i do?

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Join Date: Sep 2009

Posts: 358

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dkalita

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Posting Whiz

Oct 20th, 2009

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Originally Posted by 50701735

thanks for your answer.
so if i have a function and a pointer . i want to point that pointer to that function,how must i do?

read about pointer to function
http://publications.gbdirect.co.uk/c..._pointers.html

a small example:

 Help with Code Tags 
 C Syntax (Toggle Plain Text) 
int myfun(int par)
{
   return par+1;
}
int main()
{
    int (*fptr)(int); //pointer to function
    fptr = myfun; //assigning the function to the pointer
    (*fptr)(3); //calling the function using pointer
 // OR
    fptr(3);
}
int myfun(int par)
{
   return par+1;
}
int main()
{
    int (*fptr)(int); //pointer to function
    fptr = myfun; //assigning the function to the pointer
    (*fptr)(3); //calling the function using pointer
 // OR
    fptr(3);
}