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+<title>GCC compiler error messages.</title>
+
+<head>
+<script language="JavaScript">
+</script>
+</head>
+
+<body bgcolor="#ffffcc">	
+<hr>
+<center>
+<h1>GCC compiler error messages.</h1>
+</center>
+<hr>
+<p>
+
+This is a list of compiler error messages I have hit and the method used 
+to clear them.
+
+<p>
+<hr align="center" width="70%">
+
+<pre>warning: comparison between pointer and integer</pre>
+Maybe OK. This was generated from 'if (strstr(line,"word") != NULL )'
+strstr returns NULL or pointers, I was only interested in the fact that a 
+string had been found, not where it was.
+
+<p>
+<hr align="center" width="70%">
+
+<pre>`floppyto.c:782: parse error at end of input</pre>
+floppyto.c is the program name, 782 is the line number but it is one
+greater then the file length. This is because of unbalanced {} or unbalanced
+comments /* */
+
+<p>
+<hr align="center" width="70%">
+
+<pre>parse error before `printf'</pre>
+Missing ; before this statement.
+
+<p>
+<hr align="center" width="70%">
+
+<pre>Segmentation error.</pre>
+You have attempted to access protected storage or overwritten something
+important!
+
+<p>
+<hr align="center" width="70%">
+
+<pre>subscripted value is neither array nor pointer</pre>
+Attempted to subscript a scalar variable.
+
+<p>
+<hr align="center" width="70%">
+
+<pre>`j' undeclared (first use this function)</pre>
+Declare the variable.
+
+<p>
+<hr align="center" width="70%">
+
+<pre>/usr/lib/crt0.o: Undefined symbol _main referenced from text segment</pre>
+
+Generated when main() is missing. I have seen this twice.
+<ol>
+<li>When there was a syntax error in an included header file.
+<li>And when the C source file was missing in the gcc command!
+</ol>
+
+<p>
+<hr align="center" width="70%">
+
+<pre>Undefined symbol _initscr referenced from text segment</pre>
+Called a function but have not supplied it or the library 
+that contains it with an #include statement.
+
+<p>
+<hr align="center" width="70%">
+
+<pre>unterminated `#if' conditional</pre>
+<a href=SYNTAX/preprocessors.html>#endif</a> preprocessor required.
+
+<p>
+<hr align="center" width="70%">
+
+<pre>warning: passing arg 1 of `cpystr' makes integer from pointer
+without a cast
+</pre>
+This is the code causing the problem:
+<pre>
+void cpystr( char item);
+main()
+{
+   char src[]="martin leslie";
+   cpystr(src);
+}
+   cpystr(char item)
+{
+}
+</pre>
+
+It should be....
+
+<pre>
+void cpystr( char item[]);
+main()
+{
+   char src[]="martin leslie";
+   cpystr(src);
+}
+   cpystr(char item[])
+{
+}
+</pre>
+
+<p>
+<hr align=center width="70%">
+
+<pre>
+conflicting types for `Alex'
+previous declaration of `Alex'
+</pre>
+
+<b>Alex</b> has been declared in two <a href="SYNTAX/enum.html">enum</a> 
+statements. Here is the <a href="EXAMPLES/enum3.c">code</a>
+
+
+<p>
+<hr align="center" width="70%">
+
+<pre>
+parse error before `1'
+At top level:
+warning: data definition has no type or storage class
+parse error before string constant
+warning: data definition has no type or storage class
+</pre>
+
+There is a conflict between 
+<a href="SYNTAX/enum.html">enum</a> 
+and
+<a href="SYNTAX/define_preprocessor.html">#define</a> 
+statements.
+Here is the <a href="EXAMPLES/enum4.c">code</a>
+
+<p>
+<hr>
+<p>
+
+<center>
+<table border=2 width="80%" bgcolor="ivory">
+<tr align=center>
+<td width="25%">
+<a href="cref.html">                  Top</a>
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+<a href="master_index.html">          Master Index</a>
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+<a href="SYNTAX/keywords.html">       Keywords</a>
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+<a href="FUNCTIONS/funcref.htm">      Functions</a>
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+</tr>
+</table>
+</center>
+<p>
+<hr>
+<address>Martin Leslie 
+</address><p>
+