Searched defs:_PTRDIFF (Results 1 - 1 of 1) sorted by relevance

/illumos-gate/usr/src/uts/common/sys/
H A Dstrsun.h50 #define _PTRDIFF(p1, p2) ((intptr_t)((uintptr_t)(p1) - (uintptr_t)(p2))) macro
51 #define MBLKL(mp) _PTRDIFF((mp)->b_wptr, (mp)->b_rptr)
52 #define MBLKSIZE(mp) _PTRDIFF(DB_LIM(mp), DB_BASE(mp))
53 #define MBLKHEAD(mp) _PTRDIFF((mp)->b_rptr, DB_BASE(mp))
54 #define MBLKTAIL(mp) _PTRDIFF(DB_LIM(mp), (mp)->b_wptr)

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