64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
#include <stdio.h>
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#define MAXLINE 1000
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int mygetline(char line[], int maxline);
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void copy(char to[], char from[]);
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/* print longest input line */
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int main()
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{
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int len, max; /* current, max lenght */
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char line[MAXLINE+1], longest[MAXLINE+1]; /* current, longest line; +1 for \0 */
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max = 0;
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while ((len = mygetline(line, MAXLINE)) > 0)
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if (len > max) {
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max = len;
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copy(longest, line);
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}
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if (max > 0) {
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printf("%d ", max);
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if (max <= MAXLINE && longest[max-1] == '\n') {
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longest[max-1] = '\\';
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printf("\n%sn\n", longest);
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} else if (max <= MAXLINE) {
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printf("\n%s\n", longest);
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} else
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printf("(first %d chars)\n%s...\n", MAXLINE, longest);
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} else
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printf("No lines found\n");
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return 0;
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}
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/* mygetline : read part of line smaller than lim-1 into s, return length */
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int mygetline(char s[], int maxline)
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{
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int c, i;
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for (i=0; (c=getchar()) != EOF; ++i) {
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if (i < maxline)
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s[i] = c;
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if (c == '\n') {
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++i;
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break;
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}
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}
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if (i < maxline)
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s[i] = '\0';
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else
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s[maxline] = '\0';
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return i;
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}
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/* copy : copy 'from' to '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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for(i = 0; (to[i] = from[i]) != '\0'; ++i)
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;
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}
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