Definitions for "Bitfield"
popupid: bitfield](Mapping) A specific type of Entity Keyvalue. Its value is an integer sum that can be used to represent the state of around 16 individual boolean values. To determine the value of this type of Keyvalue, the mapper should add up the individual values of the options he wishes to enable.
an integer that occupies a specific number of contiguous bits within an object that has an integer type
Keywords:  int, unsigned, declared, union, signed
a structure or union member declared to be a specific number of bits. A bitfield may be of type int , unsigned int , or signed int .