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 * Copyright (C) 2006-2009 Stig Venaas <venaas@uninett.no>
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.

#include <sys/inttypes.h>
#include <stdint.h>

struct list_node {
    struct list_node *next;
    void *data;

struct list {
    struct list_node *first, *last;
    uint32_t count;

/* allocates and initialises list structure; returns NULL if malloc fails */
struct list *list_create();

/* frees all memory associated with the list */
void list_destroy(struct list *list);

/* appends entry to list; returns 1 if ok, 0 if malloc fails */
int list_push(struct list *list, void *data);

/* removes first entry from list and returns data */
void *list_shift(struct list *list);

/* removes first entry with matching data pointer */
void list_removedata(struct list *list, void *data);

/* returns first node */
struct list_node *list_first(struct list *list);

/* returns the next node after the argument */
struct list_node *list_next(struct list_node *node);

/* returns number of nodes */
uint32_t list_count(struct list *list);

/* Local Variables: */
/* c-file-style: "stroustrup" */
/* End: */

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