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Annotation of coherent/d/bin/awk/awk0.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Definitions of externals.
        !             3:  */
        !             4: 
        !             5: #include "awk.h"
        !             6: #include "y.tab.h"
        !             7: 
        !             8: CHAR   *parg;                  /* Program argument pointer */
        !             9: FILE   *pfp;                   /* Program file pointer */
        !            10: int    lexre;                  /* On when yylex reading a regular expression */
        !            11: CHAR   wordbuf[NWORD];         /* yylex string and identifer buffer */
        !            12: NODE   *codep;                 /* Head of interpreted code tree */
        !            13: int    beginflag;              /* On before files read */
        !            14: int    endflag;                /* On after files read */
        !            15: int    runflag;                /* On when running (vs. compiling) */
        !            16: int    yflag;                  /* `-y' option - dual case pattern matching */
        !            17: int    nlskip;                 /* Skip newlines until next token */
        !            18: int    exitflag;               /* On if exit done */
        !            19: int    lineno;                 /* Current input line # */
        !            20: int    whitesw = 1;            /* 1 if whitespace field seperator else 0 */
        !            21: CHAR   *inline;                /* Input line */
        !            22: jmp_buf        nextenv;                /* Environment for next */
        !            23: jmp_buf        fwenv[NNEST];           /* For/while environment for break/continue */
        !            24: int    fwlevel = -1;           /* For/while nesting level */
        !            25: int    brlevel;                /* Brace nesting level */
        !            26: int    outflag;                /* '>' is output vs. relational (kludge) */
        !            27: TERM   *symtab[NHASH];         /* Heads of symbol table hash chains */
        !            28: NODE   *tempnodes;             /* List of temporary nodes during running */
        !            29: CHAR   SNULL[] = "";           /* Awk's null STRING */
        !            30: OFILE  files[NOFILE];          /* Open files -- names to prevent re-opening */
        !            31: CHAR   inbuf[BUFSIZ];          /* Buffer for all (prog, data) input */
        !            32: CHAR   outbuf[BUFSIZ];         /* Buffer for all output */
        !            33: 
        !            34: /*
        !            35:  * Built-in variable values.
        !            36:  */
        !            37: NODE   *FILENAMEp;             /* Current input filename */
        !            38: NODE   *NRp;                   /* Current input record number */
        !            39: NODE   *NFp;                   /* Number of fields in this record */
        !            40: NODE   *ORSp;                  /* Output record separator */
        !            41: NODE   *OFSp;                  /* Output field separator */
        !            42: NODE   *RSp;                   /* Input record separator */
        !            43: NODE   *FSp;                   /* Input field separator */
        !            44: NODE   *OFMTp;                 /* Output format string (a la printf) */
        !            45: 
        !            46: /*
        !            47:  * Built-in variables and constants.
        !            48:  */
        !            49: TERM   xzero, xone;            /* Constants 0 and 1 */
        !            50: NODE   xfield0;

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