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how can I get address of the *struct into "func", so that the change of the *struct will also react in main

how can I get address of the *struct into "func", so that the change of the *struct will also react in main

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Assume I pass *struct as argue of operating equation "func", how can I get address of the *struct into "func", so that the change of the *struct will also react in main()? Following is the code:

typedef struct{

int i=0;

} test;

void *func(void *arg){

(how can I get address of arg(type is *struct) here?)

(then do something to t0 and t1, like t_total[0]->i++, should also effect the t0 and t1 in main())

}

int main(){

test t0,t1;

test t_total[2];

t_total[0]=t0;

t_total[1]=t1;

pthread_t tid;

preate_create(&tid,NULL,&func,&t_total);

}

Thank you!

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