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

#define BUFFER 1024
       
struct llnode {
        
       //adrList collection;
       char abc[15];
       struct llnode *next;
       
       };

typedef struct llnode listNode;

int getIp(char* addrPtr,int type,char* retIP);
void checkIP(listNode **list, char ipAddr[]);
void readList(listNode **list);

int main(){
  
    int       value = 0,
              count = 0;
    char      cIn = ' ',
              dest[] = "Destination",
              src[] = "Source";
    listNode  *head = NULL;
  
    FILE *file;

    if ((file = fopen("test.txt", "r")) == NULL){
       printf("Unable to open file");
       return 0;
    }
    
    while (cIn != EOF){
    
          count = 0;
          char ch[BUFFER];
          
          while ((cIn = fgetc(file))!= '\n'){
                ch[count++] = cIn;
          }                

          printf("\n\n");
          cIn = getc(file);
    
          char *dstPtr = strstr(ch,dest);
          char *srcPtr = strstr(ch,src);
        
          char ipAddr[15];
          char srcAddr[15];
       
          if (((getIp(dstPtr,1,ipAddr)) == 0 )|| ((getIp(srcPtr,2,srcAddr)) == 0)){
             printf("error");
          }              
  
         printf("ip address : %s\n",ipAddr);
         printf("src addr : %s\n\n",srcAddr);
         checkIP(&head,srcAddr); 
          
    }
 
    fclose(file);
    readList(&head);
    printf("hold ");
    for (;;)  ;
    
}

int getIp(char* addrPtr,int type,char* retIP){
      
      char        chP = ' ';
      int         j, 
                  i = 0;
      
      if (type == 1){//destination
         j = 12;
      }else if(type == 2){//source
         j = 7;   
      }else{
         return 0;
      }
      
      while (((chP = addrPtr[j]) != ',') && ((chP = addrPtr[j]) != ' ')) 
          retIP[i++] = addrPtr[j++];
    
      for (i;i<15;i++) //emptys the array to make sure no extra numbers are there
          retIP[i] = ' ';

             
      return 1;
}

void checkIP(listNode **list, char ipAddr[]){

    listNode *newNode;
    char cde = *ipAddr;


    newNode = (listNode *)malloc(sizeof(listNode));
    newNode->abc = cde;
    newNode->next = (* list);
    (*list) = newNode;
             
}

void readList(listNode **list){
     
     listNode *tmp;
     tmp = (listNode *)malloc(sizeof(listNode));
     tmp = *list;
     
     while (tmp != NULL){
           printf("SRC ADDR : %c\n",tmp->abc);
           tmp = tmp->next;
     }    
     
}

int i = 5;
// assign a char to an int
char c = i;
// assign an int to a char
i = c;