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__attribute__((packed)) variable attribute

The packed variable attribute specifies that a variable or structure field has the smallest possible alignment. That is, one byte for a variable, and one bit for a field, unless you specify a larger value with the aligned attribute.

Note

This variable attribute is a GNU compiler extension that the ARM compiler supports.

Example

struct
{
    char a;
    int b __attribute__((packed));
} Variable_Attributes_packed_0;
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