Here is a list of all files with brief descriptions:

address.h
asn1.h
auth_priv.h
collect.h
config_snmp_pp.h
counter.h
ctr64.h
eventlist.h
eventlistholder.h
gauge.h
idea.h
integer.h
IPv6Utility.h
log.h
md5.h
mp_v3.h
msec.h
msgqueue.h
notifyqueue.h
octet.h
oid.h
oid_def.h
pdu.h
reentrant.h
sha.h
smi.h
smival.h
snmp_pp.h
snmperrs.h
snmpmsg.h
target.h
timetick.h
usm_v3.h
uxsnmp.h
v3.h
vb.h