N_BTSHFT - Illumos

139

#define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))

143

#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))

147

#define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT))

153

#define INCREF(x) ((((x)&~N_BTMASK)<<N_TSHIFT)|(DT_PTR<<N_BTSHFT)|(x&N_BTMASK))