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Annotation of 43BSD/contrib/B/src/bint/b3int.h, revision 1.1

1.1     ! root        1: /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
        !             2: 
        !             3: /*
        !             4:   $Header: b3int.h,v 1.4 85/08/22 16:44:13 timo Exp $
        !             5: */
        !             6: 
        !             7: /* Interpreter */
        !             8: 
        !             9: value evalthread();
        !            10: /* Procedure execthread(); */
        !            11: 
        !            12: value pop();
        !            13: /* Procedure push(); */
        !            14: 
        !            15: extern bool tracing;
        !            16: 
        !            17: #define Thread(t) *Branch(t, Nbranches(t)) /* Next instruction */
        !            18: #define Thread2(t) *Branch(t, Nbranches(t)+1) /* Alternate next instr. or flag */
        !            19: 
        !            20: #define Stop ((parsetree)zero) /* Legal stop */
        !            21: #define Halt NilTree /* Illegal stop (loose end of code) */
        !            22: 
        !            23: extern int call_level;

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