51 lines
753 B
C
51 lines
753 B
C
#include <stdio.h>
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#define MAXLINE 10
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int _getline(char line[], int maxline);
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void reverse(char to[], char from[], int from_head);
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// reversing input string
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main()
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{
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int len;
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char line[MAXLINE];
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char reversed[MAXLINE];
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while ((len = _getline(line, MAXLINE)) > 0)
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{
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reverse(reversed, line, len);
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printf("%s\n", reversed);
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}
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return 0;
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}
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int _getline(char s[], int lim)
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{
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int c, i, j;
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for (i = 0; (c = getchar()) != '\n'; ++i)
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{
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if (i < lim - 1)
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s[i] = c;
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}
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j = i;
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if (j > lim - 1)
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j = lim - 1;
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s[j] = '\0';
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return j - 1;
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}
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void reverse(char to[], char from[], int from_head)
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{
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int i;
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for (i = 0; i <= (from_head / 2); ++i)
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{
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to[i] = from[from_head - i];
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to[from_head - i] = from[i];
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}
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to[from_head+1] = '\0';
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}
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