#include <stdio.h>#include <stdlib.h>int changeop(int *add){ printf("choisisser la nouvelle valeur de *op et nbr1 ="); scanf("%d",add);}int main (int argc, char** argv) { int nbr1=0; int nbr2=0; int *op = NULL; int add; printf("choisisser un nombre = "); scanf("%d",&nbr1); nbr2 = nbr1; printf("Valeur de nbr1 = %d\n",nbr1); printf("Valeur de nbr2 = %d\n\n",nbr2); op = &nbr1; printf("Valeur de OP = %d\n\n",*op); *op = 40; printf("Valeur de op (10=40) = %d\n\n",*op); printf("Valeur de nbr 1 = %d",nbr1); changeop(&add); printf("valeur de add = %d", add); printf("Valeur de nbr1 =%d",nbr1); return EXIT_SUCCESS;}