Thread: send one part of struct array to function

lets say i have this

Code:

typedef struct {int x}stru;
void fun(stru *array){
 array->x=5;
}
int main()
{ 
 stru arra[5];
  fun(array[0])
}

the problem is that i want to send only one place of the array not all of it
can you tell me whats the wrong code?