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1.1 ! root 1: /* ! 2: * mbuf emulation. ! 3: */ ! 4: ! 5: #define mbuf block ! 6: #define m_next next ! 7: #define mtod(m, type) ((type) (m->rptr)) ! 8: #define m_get(x1, x2) bp_get() ! 9: #define m_free(m) freeb(m) ! 10: #define m_freem(m) bp_free(m) ! 11: #define m_pullup bp_pullup ! 12: #define m_adj bp_adj ! 13: #define dtom(x) bp_dtom((struct block *) x) ! 14: #define m_copy bp_copy ! 15: ! 16: #define BLEN(bp) ((bp)->wptr - (bp)->rptr) ! 17: #define BSZ(bp) ((bp)->lim - (bp)->base) ! 18: #define MAXBLEN 64 ! 19: ! 20: #define MGET(m, x, y) ((m) = m_get(x, y)) ! 21: ! 22: #ifdef KERNEL ! 23: extern struct block *bp_dtom(), *bp_copy(); ! 24: extern struct block *bp_get(); ! 25: #endif
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