/** @page libdk4dbia libdk4dbia @section secdk4dbiaoverview Generic API for databases The dk4dbia.h header file and the module in libdk4dbia provide the dk4dbi_open_app() and dk4dbi_open_sizes_app() functions to open a simple database. Both functions issue diagnostic messages on errors. The dk4dbi_open_app() looks up maximum key and value sizes in the preferences. */