/** @page libdk4app libdk4app @section secdk4app Application support Application support includes: - File search for both configuration and resource files
The users language and region are considered when building the list of directories to search for a file. - Localized messages
String table files for the users language and region can be found using the file search. - Preferences
An administrator or user can configure defaults for configuration items. - Logging
Log goes to standard output and optionally to a log file.
The log file is removed automatically when the appication exits unless there were errors. @section secdk4apphead Headers and modules Header | Purpose : ---: | :------ dk4app.h | Application data type and basic functions. dk4mema.h | Dynamic memory allocation, diagnostics. dk4aopt.h | Access to command line options. dk4fs.h | File search. dk4appmkdh.h | Create directory hierarchy for file, diagnostics. dk4dira.h | Open directory for traversal, diagnostics. dk4fileia.h | Information about a file, diagnostics. dk4fopda.h | Open file, apply security checks, diagnostics. dk4fdrda.h | Read from file descriptor, diagnostics. dk4fdrde.h | Issue diagnostics for errors while reading from file descriptor. dk4fdwre.h | Issue diagnostics for errors while writing to file descriptor. dk4strda.h | String duplication, diagnostics. */