RPCDB
d->rpcf = fopen(RPCDB, "r");
if ((d->rpcf = fopen(RPCDB, "r")) == NULL)
static char RPCDB[] = "/etc/rpc";
if (st->fp == NULL && (st->fp = fopen(RPCDB, "r")) == NULL) {
st->fp = fopen(RPCDB, "r");