Here is a list of all struct and union fields with links to the structures/unions they belong to:

birth_day : ownerinfo
birth_month : ownerinfo
birth_year : ownerinfo
bloodtype : ownerinfo
callback : intvector
cs : intvector
date : datetime
day_of_week : datetime
ds : intvector
hour : datetime
minute : datetime
month : datetime
name : ownerinfo
second : datetime
sex : ownerinfo
unknown : intvector
year : datetime