ufs_itrunc
if (ufs_itrunc(qip, (u_offset_t)qlen, (int)0, cr) != 0)
(void) ufs_itrunc(tdp, (u_offset_t)slotp->endoff, 0,
(void) ufs_itrunc(ip, size, 0, cr);
(void) ufs_itrunc(ip, size, 0, cr);
(void) ufs_itrunc(ip, old_i_size, 0, credp);
err = ufs_itrunc(ip, length, flags, cr);
err = ufs_itrunc(ip, blkroundup(fs, (ip->i_size - resid)),
err = ufs_itrunc(ip, length, flags, cr);
(void) ufs_itrunc(ip, old_i_size, 0, cr);
(void) ufs_itrunc(ip, (u_offset_t)0, 0,
extern int ufs_itrunc(struct inode *, u_offset_t, int, cred_t *);