lifdir
for (i=0, p=(struct lifdir *)bp->b_data; i < LIF_NUMDIR; p++, i++) {
struct lifdir *p;
#define LIF_DIRSIZE (LIF_NUMDIR * sizeof(struct lifdir))
struct lifdir *f_ld; /* lif dir pointer */
struct lifdir *f_rd; /* lif dir pointer for readdir */
struct lifdir *dp;
fp->f_ld = (struct lifdir *)(fp->f_buf + LIF_DIRSTART);
sizeof(struct lifdir);
struct lifdir *lifd = (struct lifdir *)(buf + LIF_DIRSTART);