EXCHANGE_ID4args
EXCHANGE_ID4args *args = &argop->nfs_argop4_u.opexchange_id;
EXCHANGE_ID4args *, args);
xdr_EXCHANGE_ID4args(XDR *xdrs, EXCHANGE_ID4args *objp)
typedef struct EXCHANGE_ID4args EXCHANGE_ID4args;
EXCHANGE_ID4args opexchange_id;
extern bool_t xdr_EXCHANGE_ID4args(XDR *, EXCHANGE_ID4args*);