LINKLIST-->AN IMPLENTATION TO SHOW PASSING POINTER AS ARGUMENT & AN ATTENTION USING PASS BY POINTER

/*AN IMPLEMENTAION TO SHOW PASSING POINTER OF STRUCTURE OR POINTER AS ARGUMENT...HOW IT IS CATHCHED IN DEFINATION OF FUNCTION...& ATTENTION WHILE USING PASS BY POINTER*/

#include<stdio.h>

#include<stdlib.h>

//void delete(struct nod*);

struct nod

{

int a;

int c;

};

int main()

{

struct nod *new;

new=(struct nod*)malloc(sizeof(struct nod));

delete(new);

return 0;

}

void delete(struct nod* fnew)//fnew in which address of new which is pointer variable of struct nod is of (struct nod*) type/////ADDRESS OF THIS POINTER IS Same AS THAT OF IN MAIN....

{

int a;

printf("base add. of structure fnew=%p",fnew);

*fnew=a;//will assign some value or address to pointer will not change the address of pointer

fnew=&a;//will change the address of pointer ..so do not change it ....to take care ..do not use this type of assignment while using pass by pointer

}