Bitfield_signed_extract
#define Dsignedhigh31p1(object) Bitfield_signed_extract( 0, 31,object)
#define Ssignedsign(object) Bitfield_signed_extract( 0, 1,object)
#define Ssignedhigh31(object) Bitfield_signed_extract( 0, 31,object)
#define Dsignedsign(object) Bitfield_signed_extract( 0, 1,object)