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    <p><a href="https://stackoverflow.com/a/8662935/377270">Dan definitely found one error, the identical storage</a>. But I think there are more bugs here:</p> <pre><code>while((fgets(line, 65, fpIn)) != NULL) { </code></pre> <p>Why only <code>65</code>? You've got <code>MAXLEN</code> space to work with, you might as well let your input be a bit longer.</p> <pre><code> j = strlen(line); if (j &gt; 0 &amp;&amp; (line[j-1] == '\n')) { line[j-1] = '\0'; } if (j &gt; 8) { lineptr[nlines++] = line; } } </code></pre> <p>Why exactly <code>j &gt; 8</code>? Are you supposed to be throwing away short lines? Don't forget to <em>deallocate</em> the memory for the line in this case, once you've moved to the dynamic allocation that Dan suggests.</p> <p><strong>Update</strong></p> <p><a href="https://stackoverflow.com/questions/8662917/c-array-of-char-arrays/8662952#comment-10765767">ott recommends <code>strdup(3)</code></a> -- this would be easy to fit into your existing system:</p> <pre><code>while((fgets(line, 65, fpIn)) != NULL) { j = strlen(line); if (j &gt; 0 &amp;&amp; (line[j-1] == '\n')) { line[j-1] = '\0'; } if (j &gt; 8) { lineptr[nlines++] = strdup(line); } } </code></pre> <p>Dan recommended <code>calloc(3)</code>, that would be only slightly more work:</p> <pre><code>line = calloc(MAXLINE, sizeof char); while((fgets(line, 65, fpIn)) != NULL) { j = strlen(line); if (j &gt; 0 &amp;&amp; (line[j-1] == '\n')) { line[j-1] = '\0'; } if (j &gt; 8) { lineptr[nlines++] = line; line = calloc(MAXLINE, sizeof char); } } </code></pre> <p>Of course, both these approaches will blow up if the memory allocation fails -- checking error returns from memory allocation is always a good idea. And there's something distinctly unbeautiful about the second mechanism.</p>
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    1. COI am working with WPA words, thus between 8 and 63 characters :)
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    2. COReally unsure where to start if Im honest :(
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    3. COThanks very much for the update Sarnold!
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