Twin directories of source4:

[DIR]  ftp://ftp.samba.org/pub/unpacked/samba_3_X_devel/source4/
[DIR]  ftp://ftp.samba.org/pub/unpacked/samba_3_next/source4/
[DIR]  ftp://ftp.samba.org/pub/unpacked/samba_4_0_test/source4/
[DIR]  ftp://ftp.samba.org/pub/unpacked/standalone_projects/source4/
[DIR]  ftp://ftp.si.kernel.org/mirrors/samba/ftp/unpacked/samba_4_0_test/source4/
[DIR]  ftp://ftp.si.kernel.org/mirrors/samba/ftp/unpacked/standalone_projects/source4/
[DIR]  ftp://ftp.si.kernel.org/mirrors/samba/ftp/unpacked/samba_3_X_devel/source4/
pkg://samba4wins-1.0.4.r1.tbz:10308101/samba4-4.0.0~alpha5+20080930/  downloads[DIR]3  samba4wins-1.0.4.r1.tbz/samba4-4.0.0~alpha5+20080930/source4/
[DIR]  ftp://ftp.samba.org/pub/unpacked/samba_3_master/source4/
[DIR]  ftp://ftp.sr.bham.ac.uk/pub/aurelia/new/source4/
[DIR]  ftp://ftp.samba.org/pub/unpacked/standalone_projects.tmpconfig/source4/
[DIR]  ftp://us6.samba.org/pub/unpacked/standalone_projects/source4/
[DIR]  ftp://us6.samba.org/pub/unpacked/samba_4_0_test/source4/
[DIR]  ftp://us6.samba.org/pub/unpacked/samba_3_next/source4/
[DIR]  ftp://us6.samba.org/pub/unpacked/samba_3_master/source4/
[DIR]  ftp://fi.samba.org/pub/unpacked/standalone_projects/source4/
[DIR]  ftp://fi.samba.org/pub/unpacked/samba_4_0_test/source4/
[DIR]  ftp://fi.samba.org/pub/unpacked/samba_3_next/source4/
[DIR]  ftp://fi.samba.org/pub/unpacked/samba_3_master/source4/