#include //This code add 1 to n1 locally in the function, donot get reflected in main void AddOne (int n1){ n1=n1+1; printf("In AddOneF n1 is %d\n",n1); return; } int main(){ int n1=5; AddOne(n1); printf ("In main n1 is %d\n",n1); return 0 ; }