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#include<stdio.h>

#include<stdlib.h>

typedef struct node

{

int data;

struct node *link;

}NODE;

NODE * get_node()

{

NODE *p;

p = (NODE*)malloc(sizeof(NODE));

printf("Enter data:");

scanf("%d",&p->data);

p->link = NULL;

return p;

}

NODE * create_sll()

{

int n,i;

NODE *first,*last,*q;

printf("Enter no.of nodes:");

scanf("%d",&n);

first = last = NULL;

for(i=1;i<=n;i++)

{

q = get_node();

if(first==NULL)

first = q;


else

last->link = q;

last = q;

}

return first;

}

void display(NODE *h)

{

while(h!=NULL)

{

printf("%4d",h->data);

h=h->link;

}

printf("\n");

}

NODE* insert_first(NODE *h)


{

NODE *q;

q = get_node();

if(h!=NULL)

q->link=h;

h = q;

return h;

}

void main()

{

NODE *h=NULL;

int ch,pos;

while(1)

{

printf("1.Create\n");

printf("2.Display\n");

printf("3.Insert at first position\n");

printf("4.Exit\n");

printf("Enter your choice (1-4):");

scanf("%d",&ch);

switch(ch)

{

case 1:

h = create_sll();

break;

case 2:

display(h);

break;

case 3:

h=insert_first(h);

break;

case 4:

exit(0);

}

getch();

}

}


Output-


1.Create

2.Display

3.Insert at first position

4.Exit

Enter your choice (1-4): 1

Enter no.of nodes:1

Enter data:2

1.Create

2.Display

3.Insert at first position

4.Exit

Enter your choice (1-4):2


2


1.Create

2.Display

3.Insert at first position

4.Exit

Enter your choice (1-4):3

Enter data:1

1.Create

2.Display

3.Insert at first position

4.Exit

Enter your choice (1-4):2

1 2

1.Create

2.Display

3.Insert at first position

4.Exit

Enter your choice (1-4):4

16) Write a menu driven program using ‘C’ for implementation of Singly linked list. Menu includes – Create Display Insert node at first position

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16) Write a menu driven program using ‘C’ for implementation of Singly linked list. Menu includes –
Create
Display
Insert node at first position