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Annotation of 40BSD/cmd/tbl/t1.c, revision 1.1

1.1     ! root        1:  /* t1.c: main control and input switching */
        !             2: #
        !             3: # include "t..c"
        !             4: #include <signal.h>
        !             5: # ifdef gcos
        !             6: /* required by GCOS because file is passed to "tbl" by troff preprocessor */
        !             7: # define _f1 _f
        !             8: extern FILE *_f[];
        !             9: # endif
        !            10: 
        !            11: # ifdef unix
        !            12: # define MACROS "/usr/lib/tmac.s"
        !            13: # define PYMACS "/usr/lib/tmac.m"
        !            14: # endif
        !            15: 
        !            16: # ifdef gcos
        !            17: # define MACROS "cc/troff/smac"
        !            18: # define PYMACS "cc/troff/mmac"
        !            19: # endif
        !            20: 
        !            21: # define ever (;;)
        !            22: 
        !            23: main(argc,argv)
        !            24:        char *argv[];
        !            25: {
        !            26: # ifdef unix
        !            27: int badsig();
        !            28: signal(SIGPIPE, badsig);
        !            29: # endif
        !            30: # ifdef gcos
        !            31: if(!intss()) tabout = fopen("qq", "w"); /* default media code is type 5 */
        !            32: # endif
        !            33: exit(tbl(argc,argv));
        !            34: }
        !            35: 
        !            36: 
        !            37: tbl(argc,argv)
        !            38:        char *argv[];
        !            39: {
        !            40: char line[BUFSIZ];
        !            41: /* required by GCOS because "stdout" is set by troff preprocessor */
        !            42: tabin=stdin; tabout=stdout;
        !            43: setinp(argc,argv);
        !            44: while (gets1(line))
        !            45:        {
        !            46:        fprintf(tabout, "%s\n",line);
        !            47:        if (prefix(".TS", line))
        !            48:                tableput();
        !            49:        }
        !            50: fclose(tabin);
        !            51: return(0);
        !            52: }
        !            53: int sargc;
        !            54: char **sargv;
        !            55: setinp(argc,argv)
        !            56:        char **argv;
        !            57: {
        !            58:        sargc = argc;
        !            59:        sargv = argv;
        !            60:        sargc--; sargv++;
        !            61:        if (sargc>0)
        !            62:                swapin();
        !            63: }
        !            64: swapin()
        !            65: {
        !            66:        while (sargc>0 && **sargv=='-') /* Mem fault if no test on sargc */
        !            67:                {
        !            68:                if (sargc<=0) return(0);
        !            69:                if (match("-ms", *sargv))
        !            70:                        {
        !            71:                        *sargv = MACROS;
        !            72:                        break;
        !            73:                        }
        !            74:                if (match("-mm", *sargv))
        !            75:                        {
        !            76:                        *sargv = PYMACS;
        !            77:                        break;
        !            78:                        }
        !            79:                if (match("-TX", *sargv))
        !            80:                        pr1403=1;
        !            81:                sargc--; sargv++;
        !            82:                }
        !            83:        if (sargc<=0) return(0);
        !            84: # ifdef unix
        !            85: /* file closing is done by GCOS troff preprocessor */
        !            86:        if (tabin!=stdin) fclose(tabin);
        !            87: # endif
        !            88:        tabin = fopen(ifile= *sargv, "r");
        !            89:        iline=1;
        !            90: # ifdef unix
        !            91: /* file names are all put into f. by the GCOS troff preprocessor */
        !            92:        fprintf(tabout, ".ds f. %s\n",ifile);
        !            93: # endif
        !            94:        if (tabin==NULL)
        !            95:                error("Can't open file");
        !            96:        sargc--;
        !            97:        sargv++;
        !            98:        return(1);
        !            99: }
        !           100: # ifdef unix
        !           101: badsig()
        !           102: {
        !           103: signal(SIGPIPE, SIG_IGN);
        !           104:  exit(0);
        !           105: }
        !           106: # endif

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