The packed variable attribute

The variable attribute packed allows you to override the default alignment mode, to reduce the alignment for all members of an aggregate, or selected members of an aggregate to the smallest possible alignment: one byte for a member and one bit for a bit field member.

packed variable attribute syntax
 
>>-__attribute__--((--+-packed-----+--))-----------------------><
                      '-__packed__-'
 

Related information

• The __align type qualifier
• "Aligning data" in the ILE C/C++ Programmer’s Guide
• The __alignof__ operator
• The packed type attribute