transparent_union
__extension__
__attribute__
__volatile__
__complex__
__inline__
__restrict
__signed__
deprecated
__const__
__label__
extension
attribute
may_alias
volatile
restrict
register
volatile
__imag__
__real__
restrict
nocommon
complex
aligned
section
cleanup
inline
signed
extern
packed
unused
const
label
imag
real
mode