fix a grep bug
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@ -26,8 +26,6 @@ grep(char *pattern, int fd)
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}
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}
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p = q+1;
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p = q+1;
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}
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}
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if(p == buf)
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m = 0;
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if(m > 0){
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if(m > 0){
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m -= p - buf;
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m -= p - buf;
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memmove(buf, p, m);
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memmove(buf, p, m);
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