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1 /* set.c */
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2 #include <stdio.h>
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3 #include "tools.h"
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4 #include "ed.h"
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5
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6 struct tbl {
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7 char *t_str;
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8 int *t_ptr;
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9 int t_val;
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10 } *t, tbl[] = {
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11
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12 "number", &nflg, TRUE,
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13 "nonumber", &nflg, FALSE,
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14 "list", &lflg, TRUE,
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15 "nolist", &lflg, FALSE,
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16 "eightbit", &eightbit, TRUE,
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17 "noeightbit", &eightbit, FALSE,
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18 0
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19 };
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20
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21 int set()
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22 {
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23 char word[16];
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24 int i;
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25
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26 inptr++;
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27 if (*inptr != 't') {
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28 if (*inptr != SP && *inptr != HT && *inptr != NL) return(ERR);
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29 } else
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30 inptr++;
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31
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32 if (*inptr == NL) return(show());
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33 /* Skip white space */
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34 while (*inptr == SP || *inptr == HT) inptr++;
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35
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36 for (i = 0; *inptr != SP && *inptr != HT && *inptr != NL;)
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37 word[i++] = *inptr++;
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38 word[i] = EOS;
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39 for (t = tbl; t->t_str; t++) {
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40 if (strcmp(word, t->t_str) == 0) {
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41 *t->t_ptr = t->t_val;
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42 return(0);
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43 }
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44 }
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45 return(0);
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46 }
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47
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48 int show()
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49 {
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50 extern int version;
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51
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52 printf("ed version %d.%d\n", version / 100, version % 100);
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53 printf("number %s, list %s\n", nflg ? "ON" : "OFF", lflg ? "ON" : "OFF");
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54 return(0);
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55 }
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56
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