The keyword __attribute__
allows you to specify special attributes of types. Some type attributes apply only to struct
and union
types, while others can apply to any type defined via a typedef
declaration. Other attributes are defined for functions (see Function Attributes), labels (see Label Attributes), enumerators (see Enumerator Attributes), statements (see Statement Attributes), and for variables (see Variable Attributes).
The __attribute__
keyword is followed by an attribute specification inside double parentheses.
You may specify type attributes in an enum, struct or union type declaration or definition by placing them immediately after the struct
, union
or enum
keyword. A less preferred syntax is to place them just past the closing curly brace of the definition.
You can also include type attributes in a typedef
declaration. See Attribute Syntax, for details of the exact syntax for using attributes.
• Common Type Attributes: | ||
• ARM Type Attributes: | ||
• MeP Type Attributes: | ||
• PowerPC Type Attributes: | ||
• SPU Type Attributes: | ||
• x86 Type Attributes: |
© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-7.2.0/gcc/Type-Attributes.html