Suppose I want to write a function that takes a generic pointer as an argument

Suppose I want to write a function that takes a generic
pointer as an argument and I want to simulate passing it by
reference. Can I give the formal parameter type void **, and
do something like this?

void f(void **);
double *dp;
f((void **)&dp);

Question Posted / roja

1 Answers
3656 Views
I also Faced
E-Mail Answers

Suppose I want to write a function that takes a generic pointer as an argument and I want to simula..

Answer / shruti_kamthe

why **??

function that takes generic pointer argument.
declare pointer as void *

void f(void *);

Is This Answer Correct ?

1 Yes

0 No

Post New Answer

More C Interview Questions

Print all the palindrome numbers.If a number is not palindrome make it one by attaching the reverse to it. eg:123 output:123321 (or) 12321

7 Answers HCL,

Hi Every one...........I have been selected for the SBI Clerk. But i m one month Pregnanat. So anyone please suggest me, is they take any objection on my joining .

4 Answers State Bank Of India SBI,

print the pattern 1 2 4 3 6 9 4 8 12 16 5 10 15 20 25 if n=5

3 Answers Winit,

char p="data"; printf(p);

2 Answers

What is switch in c?

0 Answers

Is c easy to learn?

0 Answers

Find errors (1) m = ++a*5; (2) a = b ++ -c*2; (3)y = sqrt (1000);

5 Answers

wat is the difference between a definition and declaration? float y;---it looks like a declaration..but it s a definition.how?someone explain