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Annotation of researchv10dc/cmd/m4/m4.h, revision 1.1

1.1     ! root        1: #define EOS    '\0'
        !             2: #define LOW7   0177
        !             3: #define MAXSYM 5
        !             4: #define PUSH   1
        !             5: #define NOPUSH 0
        !             6: #define OK     0
        !             7: #define NOT_OK 1
        !             8: 
        !             9: #define SPACE  1
        !            10: #define DIG    2
        !            11: #define ALPH   4
        !            12: #define isspace(c)     (type[c]&SPACE)
        !            13: #define isdigit(c)     (type[c]&DIG)
        !            14: #define isalpha(c)     (type[c]&ALPH)
        !            15: #define alphanum(c)    (type[c]&(ALPH|DIG))
        !            16: 
        !            17: #define        getchr()        (ip>ipflr?*--ip:\
        !            18:        ((C=(feof(ifile[ifx])?EOF:getc(ifile[ifx])))=='\n'?(fline[ifx]++,C):C))
        !            19: #define        putbak(c)       (ip < ibuflm? (*ip++ = (c)): error(pbmsg,bufsize))
        !            20: #define        stkchr(c)       (op < obuflm? (*op++ = (c)): error(aofmsg,bufsize))
        !            21: #define sputchr(c,f)   (putc(c,f)=='\n'? lnsync(f): 0)
        !            22: #define putchr(c)      (Cp?stkchr(c):cf?(sflag?sputchr(c,cf):putc(c,cf)):0)
        !            23: 
        !            24: struct bs {
        !            25:        int     (*bfunc)();
        !            26:        char    *bname;
        !            27: };
        !            28: 
        !            29: struct call {
        !            30:        char    **argp;
        !            31:        int     plev;
        !            32: };
        !            33: 
        !            34: struct nlist {
        !            35:        char    *name;
        !            36:        char    *def;
        !            37:        char    tflag;
        !            38:        struct  nlist *next;
        !            39: };
        !            40: 
        !            41: extern FILE    *cf;
        !            42: extern FILE    *ifile[];
        !            43: extern FILE    *ofile[];
        !            44: extern FILE    *xfopen();
        !            45: extern char    **Ap;
        !            46: extern char    **argstk;
        !            47: extern char    *Wrapstr;
        !            48: extern char    **astklm;
        !            49: extern char    *calloc();
        !            50: extern char    *copy();
        !            51: extern char    *fname[];
        !            52: extern char    *ibuf;
        !            53: extern char    *ibuflm;
        !            54: extern char    *ip;
        !            55: extern char    *ipflr;
        !            56: extern char    *ipstk[10];
        !            57: extern char    *obuf;
        !            58: extern char    *obuflm;
        !            59: extern char    *op;
        !            60: extern char    *procnam;
        !            61: extern char    *tempname;
        !            62: extern char    *token;
        !            63: extern char    *toklm;
        !            64: extern char    aofmsg[];
        !            65: extern char    astkof[];
        !            66: extern char    badfile[];
        !            67: extern char    fnbuf[];
        !            68: extern char    lcom[];
        !            69: extern char    lquote[];
        !            70: extern char    nocore[];
        !            71: extern char    nullstr[];
        !            72: extern char    pbmsg[];
        !            73: extern char    rcom[];
        !            74: extern char    rquote[];
        !            75: extern char    type[];
        !            76: extern int     C;
        !            77: extern int     bufsize;
        !            78: extern int     catchsig();
        !            79: extern int     fline[];
        !            80: extern int     hshsize;
        !            81: extern int     hshval;
        !            82: extern int     ifx;
        !            83: extern int     nflag;
        !            84: extern int     ofx;
        !            85: extern int     pid;
        !            86: extern int     sflag;
        !            87: extern int     stksize;
        !            88: extern int     sysrval;
        !            89: extern int     toksize;
        !            90: extern int     trace;
        !            91: extern long    ctol();
        !            92: extern struct bs       barray[];
        !            93: extern struct call     *Cp;
        !            94: extern struct call     *callst;
        !            95: extern struct nlist    **hshtab;
        !            96: /*extern struct nlist  *install(); */
        !            97: extern struct nlist    *lookup();
        !            98: extern char            *inpmatch();
        !            99: extern char            *chkbltin();
        !           100: extern char            *mktemp();

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