Answer Posted / shanthi

2.

hash table is a table with one row with 10 columns say.
now to create hash table

struct phonerec
{
char name;
int phoneno;
};

struct node
{
struct phonerec r;
struct node *pnext;
};

struct node *hash[10];

int hashfun(int phoneno)
{
return phone%10;

}

int add(struct phonerec *pr);
{
struct node *pn;
pn = malloc(sizeof(*pn));
pn->r=*pr;
int hix=hashfun(pr->phoneno);
pn->pnext=hasharray[hix];
hasharray[hix]=pn;
return SUCCESS;
}

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