DAT_ID (3) - Linux Man Pages
DAT_ID: Makes an ID value from four letters. Allegro game programming library.
NAMEDAT_ID - Makes an ID value from four letters. Allegro game programming library.
DESCRIPTIONEvery object or property in a datafile is identified by a 4 letter ID, which can be created with this macro. For example, to access the NAME property of a datafile object, you could use:
SEE ALSOregister_datafile_object(3), get_datafile_property(3)