ref: 62b20ac8c055336c2b9506ca742a652be410d8f9
dir: /src/list.h/
enum { Listlead = 0xAA };
typedef struct List List;
/* Must be embedded at the top of struct */
struct List {
uchar tag;
List *link;
List *tail;
};
/* What. */
#define foreach(type, list) \
for(type ptr = listislead((list)) ? (type)(list)->link : (list); ptr->tag != Listlead; ptr = (type)ptr->link)
List* listalloc(void);
List* listlink(List*, List*);
List* listunlink(List*);
int listisempty(List*);
int listislead(List*);
int listisfirst(List*);
int listislast(List*);