├── README.md
├── .gitignore
├── main.c
├── Makefile
├── ll.c
└── ll.h


/README.md:
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1 | 


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/.gitignore:
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1 | a.out
2 | *.o
3 | ll


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/main.c:
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1 | #include <stdio.h>
2 | #include <ll.h>
3 | 
4 | int main() {
5 |     struct list_int *ll = new_list_int(10);
6 |     print_addrs(ll);
7 |     return 0;
8 | }
9 | 


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/Makefile:
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 1 | CC=gcc
 2 | 
 3 | all: ll
 4 | 
 5 | ll: main.o ll.o
 6 | 	gcc -o ll -Wall main.o ll.o
 7 | 
 8 | main.o: main.c ll.h
 9 | 	gcc -I. -Wall -c main.c ll.c
10 | 
11 | ll.o: ll.c ll.h
12 | 	gcc -I. -Wall -c ll.c
13 | 
14 | clean:
15 | 	rm -rf *.o *.h.gch a.out ll
16 | 


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/ll.c:
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 1 | #include <ll.h>
 2 | #include <stdio.h>
 3 | #include <stdlib.h>
 4 | 
 5 | void print_addrs(struct list_int *head) {
 6 |     printf("%p: head\n", head);
 7 |     printf("%p: head->list->next\n", &((head->list).next));
 8 |     printf("%p: head->list->prev\n", &((head->list).prev));
 9 |     printf("%p: head->value\n", &(head->value));
10 | }
11 | 
12 | struct list_int * new_list_int(int value) {
13 |     struct list_int *p = (struct list_int *) malloc(sizeof(struct list_int));
14 |     p->value = value;
15 |     return p;
16 | }


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/ll.h:
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 1 | // this strcuture partially defines a node of a linked list
 2 | // it only holds the pointers to the next and the previous
 3 | // pointers of the linked list.
 4 | struct list_head {
 5 | 	struct list_head *next; // pointer to the node next to the current one
 6 | 	struct list_head *prev; // pointer to the node rprevious to the current one
 7 | };
 8 | 
 9 | struct list_int {
10 | 	struct list_head list;  // common next and prev pointers
11 | 	int value;              // specific member as per implementation
12 | };
13 | 
14 | struct list_str {
15 | 	struct list_head list;  // common next and prev pointers
16 | 	char * str;             // specific member as per implementation
17 | };
18 | 
19 | void print_addrs(struct list_int *);
20 | struct list_int * new_list_int(int);
21 | 


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