pf_tagname
TAILQ_HEAD(pf_tags, pf_tagname) pf_tags = TAILQ_HEAD_INITIALIZER(pf_tags),
struct pf_tagname *tag, *p = NULL;
tag = (struct pf_tagname *)malloc(sizeof(struct pf_tagname),
bzero(tag, sizeof(struct pf_tagname));
struct pf_tagname *tag;
struct pf_tagname *p, *next;
struct pf_tagname *t;
TAILQ_ENTRY(pf_tagname) entries;