ypmkfilename
ypmkfilename(domain, mapname, path);
if (FALSE == ypmkfilename(domain, map, mapname))
extern bool_t ypmkfilename(char *domain, char *map, char *path);
(!ypmkfilename(argp->domain, argp->map, (char *)&path))) {
if (ypmkfilename(domain, mapname, path) == FALSE) {