xdr_op
extern void xdrmem_create(XDR *, char *, u_int, enum xdr_op);
extern void xdrstdio_create(XDR *, FILE *, enum xdr_op);
enum xdr_op x_op; /* operation; fast additional param */
#define ATTEMPT(xdr_op) if (!(xdr_op)) return (FALSE)
#define ATTEMPT(xdr_op) if (!(xdr_op)) return (FALSE)
xdrmem_create(XDR *xdrs, char *addr, u_int size, enum xdr_op op)
xdrstdio_create(XDR *xdrs, FILE *file, enum xdr_op op)