CPTOSS
ssp = CPTOSS(co);
struct smb_share *ssp = CPTOSS(cp);
struct smb_share *ssp = CPTOSS(cp);
ssp = CPTOSS(co);
#define FHTOSS(fhp) CPTOSS(((fhp)->fh_co.co_parent))
ssp = CPTOSS(co);
CPTOSS(source) : NULL); /* for smb up/down */
CPTOSS(source) : NULL); /* for smb up/down */