2021-11-24 01:48:37 +00:00
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#include <stdio.h>
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#define MAXLINE 1000 /* maximum input line size */
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2021-11-30 05:04:36 +00:00
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#define MINLINE 81
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2021-11-24 01:48:37 +00:00
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int getline(char line[], int maxline);
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void copy(char to[], char from[]);
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2021-11-30 06:43:24 +00:00
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void trim(char line[], int len);
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2021-11-24 01:48:37 +00:00
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/* print longest input line */
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main()
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{
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int len;
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int max;
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2021-11-30 03:53:44 +00:00
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int c;
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2021-11-24 01:48:37 +00:00
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char line[MAXLINE];
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char longest[MAXLINE];
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max = 0;
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2021-11-30 03:53:44 +00:00
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while((len = getline(line, MAXLINE)) > 0) {
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if (line[len-1] != '\n') {
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while ((c=getchar())!=EOF && c!='\n')
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++len;
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if (c == '\n')
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++len;
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}
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2021-11-30 06:43:24 +00:00
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if (len >= MINLINE) {
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trim(line, len);
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2021-11-30 05:04:36 +00:00
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printf("%s", line);
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2021-11-30 06:43:24 +00:00
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}
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2021-11-30 03:53:44 +00:00
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}
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2021-11-24 01:48:37 +00:00
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return 0;
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}
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/* getline: read a line into s, return length */
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int getline(char s[], int lim)
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{
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int c, i;
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for (i=0; i<lim-1 && (c=getchar())!=EOF && c!='\n'; ++i)
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s[i] = c;
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if (c == '\n') {
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s[i] = c;
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++i;
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}
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s[i] = '\0';
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return i;
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}
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/* copy: copy 'from' into 'to': assume to is big enough */
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void copy(char to[], char from[])
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{
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int i;
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i = 0;
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while ((to[i] = from[i]) != '\0')
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++i;
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}
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2021-11-30 06:43:24 +00:00
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/* trim: remove extraneous blanks and tabs */
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void trim(char s[], int len)
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{
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int i;
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for (i = len-2; i >= 0; --i)
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if (s[i] == ' ' || s[i] == '\t')
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s[i] = '\0';
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else
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return;
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}
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