Non-Active links being referred in our source code

Hi,

There are few links present in our source files for which the web links are no more active.
Details for the same is given below:

Sl No
Link
Referred File
1
http://h21007.www2.hp.com/portal/download/files/unprot/Itanium/inline_assem_ERS.pdf <http://h21007.www2.hp.com/portal/download/files/unprot/Itanium/inline_assem_ERS.pdf>
generic-acc.h
2
http://h21007.www2.hp.com/portal/download/files/unprot/itanium/spinlocks.pdf <http://h21007.www2.hp.com/portal/download/files/unprot/itanium/spinlocks.pdf>
generic-acc.h
3
http://www.comp.nus.edu.sg/~wuyongzh/my_doc/ntstatus.txt <http://www.comp.nus.edu.sg/~wuyongzh/my_doc/ntstatus.txt>
win32_port.h
4
http://www.microsoft.com/msj/0197/exception/exception.aspx <http://www.microsoft.com/msj/0197/exception/exception.aspx>
win32_port.h
5
http://www.nologs.com/ntstatus.html <http://www.nologs.com/ntstatus.html>
win32_port.h
6
http://www.ross.net/crc/ <http://www.ross.net/crc/>
pg_crc.h
7
http://www.ross.net/crc/download/crc_v3.txt <http://www.ross.net/crc/download/crc_v3.txt>
pg_crc.h
8
http://www.codeproject.com/string/dmetaphone1.asp <http://www.codeproject.com/string/dmetaphone1.asp>
dmetaphone.c
9
http://www.postgresql.org/2009/explain <http://www.postgresql.org/2009/explain>
explain.c
10
http://www.merriampark.com/ld.htm <http://www.merriampark.com/ld.htm>
levenshtein.c
11
http://www.cs.auckland.ac.nz/software/AlgAnim/niemann/s_man.htm <http://www.cs.auckland.ac.nz/software/AlgAnim/niemann/s_man.htm>
rbtree.c

I could not find the equivalent links for the same.
Should we update the links for the same?

Regards,
Vignesh
EnterpriseDB: http://www.enterprisedb.com <http://www.enterprisedb.com/>