YP_MASTER_KEY
#define YP_MASTER_LEN (sizeof(YP_MASTER_KEY)-1)
add_record(new_db, YP_MASTER_KEY, yp_master_name, FALSE);
add_record(new_db, YP_MASTER_KEY, myname, FALSE);
key.dptr = YP_MASTER_KEY;
key.dsize = strlen(YP_MASTER_KEY);
strncmp(key.dptr, YP_MASTER_KEY, YP_MASTER_LEN) == 0)
static char *master_key = YP_MASTER_KEY;
char keystr[] = YP_MASTER_KEY, *master = NULL;