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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
typedef struct ll_t ll_t;
typedef struct ll_t {
void *data;
ll_t *next;
} ll_t;
ll_t *llalloc(){
ll_t *output = malloc(sizeof(ll_t));
if (output == NULL)
return NULL;
output->next = NULL;
return output;
}
void llsetdata(ll_t *node, void *data){
node->data = malloc(sizeof(data));
memcpy(node->data, data, sizeof(data));
}
void llsetnext(ll_t *node, ll_t *next){
if (node->next == NULL)
node->next = next;
else
llsetnext(node->next, next);
}
void *llgetat(ll_t *head, int index){
if (index == 0)
return head->data;
else {
if (head->next != NULL) {
return llgetat(head->next, index - 1);
}else {
return NULL;
}
}
}
ll_t *llgetendnode(ll_t *head){
if (head->next == NULL)
return head;
else
return llgetendnode(head->next);
}
void llfreeall(ll_t *head){
if (head->next != NULL)
llfreeall(head->next);
free(head->data);
free(head);
}
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