Question

How to pass variable address to a function in C

Answer 1

#include <stdio.h>
 
void change(int *n) {
    *n = 9871;
}
  
int main()
{
    int number = 4;

    printf("%d\n", number);
     
    change(&number);
     
    printf("%d\n", number);
     
    return 0;
}
 
 
 
 
/*
run:
 
4
9871
 
*/

 

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