unixroot          569 maint/gnulib/lib/relocatable.c       const char *unixroot = getenv ("UNIXROOT");
unixroot          571 maint/gnulib/lib/relocatable.c       if (unixroot && HAS_DEVICE (unixroot) && unixroot[2] == '\0')
unixroot          578 maint/gnulib/lib/relocatable.c               memcpy (result, unixroot, 2);