rfs
char *sh, *user, *host, *rfs;
if ((rfs = strchr(av[0], ':')) != NULL) {
host = strndup( host, (rfs++ - host));
host = strndup( av[0], (rfs++ - av[0]));
xav[xac++] = rfs;
if ((rfs = strchr(av[1], ':')) != NULL) {
host = strndup( host, (rfs++ - host));
host = strndup( av[1], (rfs++ - av[1]));
xav[xac++] = rfs;
uint32_t rfb, rfs;
mtw_read(sc, MTW_RF_SETTING0, &rfs);
mtw_write(sc, MTW_RF_SETTING0, rfs);
u_short rfs(void);