ldap client library

Hi folks!

i am in need to write a small subset of ldap client library. Currently i need

Write a function to encode a bind request Write a function to decode a bind response Write a function to encode a entry request (for instance: retrieve all attributes for entry posixuser uid=sioux,ou=people,dn=x,dn=y) Write a function to decode a entry search response

May you point me what are the messages in the ldap library RFC i shoud implement as also the tag values for the ASN objects ?

Thanks in advance.