Here is a list of all documented files with brief descriptions:

[detail level 12345]

dballe
cmdline
cmdline.h	Common functions for commandline tools
conversion.h
dbadb.h
processor.h
core
aliases.h	Resolve aliases to variable codes
arrayfile.h	In-memory versions of File, to be used for testing,
benchmark.h	Simple benchmark infrastructure
byteswap.h
csv.h	Routines to parse data in CSV format
cursor.h
data.h
defs.h	Common definitions
enq.h
error.h
file.h
fwd.h
json.h
match-wreport.h	Implement a storage object for a group of related observation data
matcher.h
query.h
smallset.h
string.h
structbuf.h
tests.h
trace.h	Debugging tracing functions
values.h
var.h	Shortcut functions to work with wreport::Var in DB-All.e
varmatch.h
vasprintf.h
db
v7
mysql
data.h
driver.h
levtr.h
repinfo.h
station.h
postgresql
data.h
driver.h
levtr.h
repinfo.h
station.h
sqlite
data.h
driver.h
levtr.h
repinfo.h
station.h
batch.h
cache.h
cursor.h
data.h
db.h
driver.h
fwd.h
internals.h
levtr.h
qbuilder.h
repinfo.h	Repinfo table management used by the db module
station.h
trace.h
transaction.h
utils.h
db.h	Functions used to connect to DB-All.e and insert, query and delete data
defs.h
explorer.h
fwd.h
summary.h
summary_memory.h
summary_utils.h
summary_xapian.h
tests.h
fortran
api.h
commonapi.h
dbapi.h
enq.h
msgapi.h
traced.h
msg
wr_exporters
common.h
wr_importers
base.h
bulletin.h
context.h	Sorted storage for all the dba_msg_datum present on one level
cursor.h
domain_errors.h
fwd.h
json_codec.h
msg.h
tests.h
wr_codec.h
pch
dballe_pch.h
sql
fwd.h	Forward declarations for public dballe/sql names
mysql.h	MySQL DB connector
postgresql.h	PostgreSQL DB connector
querybuf.h	Buffer used to build SQL queries
sql.h	Common infrastructure for talking with SQL databases
sqlite.h	SQLite DB connector
cursor.h
data.h
db.h
exporter.h
file.h
fwd.h
importer.h
message.h
python.h
query.h
types.h	Common base types used by most of DB-All.e code
value.h
values.h	Structures used as input to database insert functions
var.h	Create wreport variables from the DB-All.e B table
dballe
core
shortcuts.h
msg
msg-extravars.h
config.h