+#ifdef __DJGPP__
+ /* Pretend that we are the user U whose group is G. This makes
+ pwd and grp functions ``know'' about the UID and GID of these. */
+ if (u && !is_number (u))
+ setenv ("USER", u, 1);
+ if (g && !is_number (g))
+ setenv ("GROUP", g, 1);
+#endif
+