The actual permissions set depend on the value of the C<CYGWIN>
in the SYSTEM environment settings. (Cygwin)
+Setting the exec bit on some locations (generally /sdcard) will return true
+but not actually set the bit. (Android)
+
=item chown
Not implemented. (Win32, S<Plan 9>, S<RISC OS>)
May not be available if library or source was not provided when building
perl. (Win32)
+Not implemented. (Android)
+
=item dbmclose
Not implemented. (VMS, S<Plan 9>, VOS)
=item getnetbyname
-Not implemented. (Win32, S<Plan 9>)
+Not implemented. (Android, Win32, S<Plan 9>)
=item getpwuid
=item getnetbyaddr
-Not implemented. (Win32, S<Plan 9>)
+Not implemented. (Android, Win32, S<Plan 9>)
=item getprotobynumber
+Not implemented. (Android)
+
=item getservbyport
=item getpwent
-Not implemented. (Win32)
+Not implemented. (Android, Win32)
=item getgrent
-Not implemented. (Win32, VMS)
+Not implemented. (Android, Win32, VMS)
=item gethostbyname
=item getnetent
-Not implemented. (Win32, S<Plan 9>)
+Not implemented. (Android, Win32, S<Plan 9>)
=item getprotoent
-Not implemented. (Win32, S<Plan 9>)
+Not implemented. (Android, Win32, S<Plan 9>)
=item getservent
Not implemented. (Win32, S<Plan 9>)
+=item seekdir
+
+Not implemented. (Android)
+
=item sethostent
-Not implemented. (Win32, S<Plan 9>, S<RISC OS>)
+Not implemented. (Android, Win32, S<Plan 9>, S<RISC OS>)
=item setnetent
=item setprotoent
-Not implemented. (Win32, S<Plan 9>, S<RISC OS>)
+Not implemented. (Android, Win32, S<Plan 9>, S<RISC OS>)
=item setservent
Not implemented. (Win32)
+Either not implemented or a no-op. (Android)
+
=item endgrent
-Not implemented. (S<RISC OS>, VMS, Win32)
+Not implemented. (Android, S<RISC OS>, VMS, Win32)
=item endhostent
-Not implemented. (Win32)
+Not implemented. (Android, Win32)
=item endnetent
-Not implemented. (Win32, S<Plan 9>)
+Not implemented. (Android, Win32, S<Plan 9>)
=item endprotoent
-Not implemented. (Win32, S<Plan 9>)
+Not implemented. (Android, Win32, S<Plan 9>)
=item endservent
=item msgrcv
-Not implemented. (Win32, VMS, S<Plan 9>, S<RISC OS>, VOS)
+Not implemented. (Android, Win32, VMS, S<Plan 9>, S<RISC OS>, VOS)
=item open
=item semop
-Not implemented. (Win32, VMS, S<RISC OS>)
+Not implemented. (Android, Win32, VMS, S<RISC OS>)
=item setgrent
-Not implemented. (VMS, Win32, S<RISC OS>)
+Not implemented. (Android, VMS, Win32, S<RISC OS>)
=item setpgrp
=item setpwent
-Not implemented. (Win32, S<RISC OS>)
+Not implemented. (Android, Win32, S<RISC OS>)
=item setsockopt
=item shmwrite
-Not implemented. (Win32, VMS, S<RISC OS>)
+Not implemented. (Android, Win32, VMS, S<RISC OS>)
=item sleep
POSIX value will be decoded to extract the expected exit value.
For more details see L<perlvms/$?>. (VMS)
+=item telldir
+
+Not implemented. (Android)
+
=item times
"cumulative" times will be bogus. On anything other than Windows NT