#include<stdio.h>
#include<stdlib.h>
#include<string.h>


struct donaNode {
char donInvType[30];
float donAmount;
struct donaNode *link;
};


int main (){

int option;
struct donaNode   *head;
struct donaNode  node1;


head = NULL;
 printf(" your options are:  ... ... ...\n");
   scanf ("%d",&option);
     while (option != 5)
           {
           if (option == 1)
             {
                // prompt for word, don_quant
                 scanf ("%s", &(node1.donInvType);  scanf ("%d", &(node1.donAmount));

                  found = search (head, node1); // found in either a pointer to the found word (node), 
                                                // or it is NULL

                 
                 if (found == NULL)  // not found
                    {
                      
                    head  = insertatbackinlist (head, node1);


                   } // end-if-found
                else
                    found->donAmount  += node1.donAmount;
                } // end-if-option-1
            else
               if (option==4) // other options
                   {
                       printlist(head);
                     }

             //re-Print the menu and scan the new option
    
           } // end-while






return 0;

} // end main

// define search function here

struct donaNode   *search(struct donaNode *l, struct donaNode node1)
{
  struct donaNode   *temp;


         temp=NULL;

         if (l==NULL) printf("while searching, list began Empty\n");
         while (l != NULL)
           {  if    (strcmp(l->donInvType,node1.donInvType) == 0)
                   {
                      temp = l;
                   }
           l = l -> link;
           }

          return (temp);




struct donaNode   *insertatbackinlist(struct donaNode *l, struct donaNode node1)
{
struct node *temp, *temp2, *temp3;
  temp= (struct node *) malloc (       sizeof (struct node));

  strcpy(temp->donInvType,node1.donInvType);

  temp->next = NULL;


  temp2 = l;
  if (l==NULL)
    l=temp;

  else
  {
  while (temp2 != NULL){

    temp3= temp2;
    temp2 = temp2->link;
  }

  temp3->link = temp;
  }

  return (l);
}






void printlist(struct donaNode *l)
{
if (l==NULL) printf("Empty\n");
while (l != NULL)
{ printf("Name=%s \n", l->donInvType);
  l= l->link;
};
}