324c0df6a1
* Sound system now uses a set of function pointers (digi.c) as a single interface to either SDL or SDL_mixer * Ported jukebox functionality to D2X
31 lines
578 B
C
31 lines
578 B
C
/*
|
|
* Doubly-linked list implementation
|
|
* MD 2211 <md2211@users.sourceforge.net>, 2007
|
|
*/
|
|
|
|
#ifndef __DL_LIST__
|
|
#define __DL_LIST__
|
|
|
|
struct dl_list_elem {
|
|
void *data;
|
|
struct dl_list_elem *prev;
|
|
struct dl_list_elem *next;
|
|
};
|
|
|
|
typedef struct dl_list_elem dl_item;
|
|
|
|
typedef struct {
|
|
struct dl_list_elem *first;
|
|
struct dl_list_elem *last;
|
|
struct dl_list_elem *current;
|
|
} dl_list;
|
|
|
|
dl_list *dl_init();
|
|
void dl_add(dl_list *, void *);
|
|
void dl_remove(dl_list *, dl_item *);
|
|
int dl_is_empty(dl_list *);
|
|
int dl_forward(dl_list *);
|
|
int dl_backward(dl_list *);
|
|
|
|
#endif
|