Directory contents:

dbmi: DataBase Management Interface (db_*() functions)
sqlp: SQL parser library
stubs: stubs for unimplemented DB functions

The DBMI drivers are stored in 
../../db/drivers/


NOTE:
Please read grass51/db/drivers/README

To generate dbmi_driver/dbstubs.h automatically, run './mk_dbstubs' in
dbmi_driver/ directory.