const FHSIZE = 32;
typedef opaque fhandle[FHSIZE];
union fhstatus switch (unsigned int status) {
case 0:
fhandle directory;
default:
void;
};
program MOUNTPROG {
version MOUNTVERS {
void MOUNTPROC_NULL(void) = 0;
fhstatus MOUNTPROC_MNT(dirpath) = 1;
...
} = 1;
} = 100005;