yii 学习笔记十五、商品信息删除

#include <sys/queue.h>
#include <stdlib.h>
#include <stdio.h>

int main(int argc, const char *argv[])
{
TAILQ_HEAD(tailhead, entry) head;
struct tailhead *headp;
headp = &head;

struct entry {
int val;
TAILQ_ENTRY(entry) entries;
} *n1, *n2, *np;

TAILQ_INIT(headp);

n1 = malloc(sizeof(struct entry));
n1->val = 10;
TAILQ_INSERT_HEAD(headp, n1, entries);

n1 = malloc(sizeof(struct entry));
n1->val = 100;
TAILQ_INSERT_TAIL(headp, n1, entries);

n2 = malloc(sizeof(struct entry));
n2->val = 200;
TAILQ_INSERT_AFTER(headp, n1, n2, entries);

for (np = headp->tqh_first; np != NULL; np = np->entries.tqe_next)
printf("value: %d\n", np->val);

while (headp->tqh_first != NULL)
TAILQ_REMOVE(headp, headp->tqh_first, entries);
return 0;
}