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1 /* find.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 int find(pat, dir)
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7 TOKEN *pat;
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8 int dir;
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9 {
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10 int i, num;
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11 char lin[MAXLINE];
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12 LINE *ptr;
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13
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14 num = curln;
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15 ptr = getptr(curln);
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16 num = (dir ? nextln(num) : prevln(num));
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17 ptr = (dir ? ptr->l_next : ptr->l_prev);
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18 for (i = 0; i < lastln; i++) {
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19 if (num == 0) {
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20 num = (dir ? nextln(num) : prevln(num));
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21 ptr = (dir ? ptr->l_next : ptr->l_prev);
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22 }
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23 strcpy(lin, ptr->l_buff);
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24 strcat(lin, "\n");
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25 if (matchs(lin, pat, 0)) {
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26 return(num);
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27 }
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28 num = (dir ? nextln(num) : prevln(num));
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29 ptr = (dir ? ptr->l_next : ptr->l_prev);
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30 }
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31 return(ERR);
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32 }
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33
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