Hey i m getting only one error...Plz help to rectify that

[arunks]

I m writing a program for various operations on linked list in C... Program is given below.. and i m getting one error and two warnings..
Plz see by executing it and help me to remove it and run the program successfully...

#include<stdio.h>
#include<conio.h>

struct node
{
int info;
struct node *next;
};

void create_list(struct node **head)
{
*head = (struct node *) NULL;
}

struct node *search(struct node *head,int item)
{
while(head!=(struct node *) NULL)
{
if(head->info==item)
return head;
head=head->next;
}
return NULL;
}

void insert_at_beginning(struct node *head,int item)
{
struct node *ptr;
ptr=(struct node *) malloc (sizeof(struct node));
ptr->info=item;
if(head==(struct node *)NULL)
{
ptr->next=(struct node *)NULL;
}
else
ptr->next=head;
head=ptr;
}

void insert_at_end(struct node *head,int item)
{
struct node *ptr;
ptr=(struct node * )malloc(sizeof(struct node));
ptr->info=item;
ptr->next=(struct node *)NULL;
if(head==(struct node *)NULL)
{
head=ptr;
}
else
{
while(head->next!=(struct node *)NULL)
{
head=head->next;
}
head->next=ptr;
}
}


void insert_after_element(struct node *head,int item,int after)
{
struct node *ptr,*loc;
loc =(struct node *) search(head,after);
if(loc== ( struct node * ) NULL )
{
printf("no element specified is there");
return;
}
ptr=(struct node *)malloc(sizeof(struct node));
ptr->info=item;
ptr->next=loc->next;
loc->next=ptr;
}

void traverse_list(struct node *head)
{
while(head!= (struct node * ) NULL)
{
printf("%d\n",head->info);
head=head->next;
}
}



void delete_at_beginning(struct node *head)
{
struct node *ptr;
if(head==(struct node *)NULL)
return;
else
{
ptr=head;
head= head->next;
free(ptr);
}
}

void delete_at_end(struct node *head)
{
struct node *ptr,*loc;
if(head== (struct node *)NULL)
return;
else
if(head->next==(struct node *)NULL)
{
ptr=head;
head=(struct node *)NULL;
free(ptr);
}
else
{
loc=head;
ptr=head->next;
while(ptr->next!= (struct node *)NULL)
{
loc=ptr;
ptr=ptr->next;
}
loc->next=(struct node *) NULL;
free(ptr);
}
}


void delete_after_element(struct node *head,int after)
{
struct node *ptr, *loc;
loc=search(head,after);
if(loc==(struct node *)NULL)
return;
ptr=loc->next;
loc->next=ptr->next;
free(ptr);
}

void delete_list(struct node *head)
{
struct node *ptr;
while(head != (struct node *)NULL)
{
ptr=head;
head=head->next;
free(ptr);
}
}


main()
{
struct node *head;
int choice,item,after;
clrscr();

printf("Linked List Program\n\n\n Press any key to start!!!!!!");

while(1)
{
clrscr();
printf("Linked List Program\n\n\n");
printf("1. Create a new linked list\n\n");
printf("2. Insert an element at the beginning\n\n");
printf("3. Insert an element after an element\n\n");
printf("4. Insert an element at end\n\n");
printf("5. Traverse all the elements of linked list\n\n");
printf("6. Search an element in linked list\n\n");
printf("7. Delete an element at the beginning\n\n");
printf("8. Delete an element after an element\n\n");
printf("9. Delete an element at end\n\n");
printf("10.Exit\n\n");
printf("\n\nEnter the choice:(1-10)");
scanf("%d",&choice);
if(choice<1 || choice>9)
{
clrscr();
printf("enter correct choice\n");
}
else
if(choice==1)
{
create_list(&head);
printf("empty List created\n");
}
else
if(choice==2)
{
printf("Enter the no. to store\n");
scanf("%d",&item);
insert_at_beginning(head,item);
}
else
if(choice==3)
{
printf("Enter the no. to store\n");
scanf("%d",&item);
printf("Enter no. after which %d is to be stored\n",item);
scanf("%d",&after);
insert_after_element(head,item,after);
}
else
if(choice==4)
{
printf("Enter the no. to store\n");
scanf("%d",&item);
insert_at_end(head,item);
}
else
if(choice==5)
{
if(head==(struct node *)NULL)
printf("\n List is empty......");
else
traverse_list(head);
printf("\nPress any ley to continue.......");
getch();
}
else
if(choice==7)
{
delete_at_beginning(head);
}
else
if(choice==8)
{
printf("Enter the no. after which item is to be deleted\n");
scanf("%d",&after);
delete_after_element(head,after);
}
else
if(choice==9)
{
delete_at_end(head);
}
else
if(choice==10)
{
delete_list(head);
exit(1);
}
}
getch();
}

 

[Gigacore]

please tell the error it states

 

[arunks]

I have removed the error myself... now program is executing without any error... but there is logical error i mean to say the output is not as expected.. plz check!!!

 

[jacksparrow18]

I have removed the error myself... now program is executing without any error... but there is logical error i mean to say the output is not as expected.. plz check!!!

write statement of ur prog!!!!!!!!!!!!!!