+ static char logname[MAXLOGNAME + 1];
+
+ if (_logname_valid == 0) {
+ if (_getlogin(logname, sizeof(logname) - 1) < 0)
+ return ((char *)NULL);
+ _logname_valid = 1;
+ }
+ return (*logname ? logname : (char *)NULL);
+}
+
+char *
+cuserid(s)
+ char *s;
+{
+ register struct passwd *pwd;