I changed "./test.h" to "../test.h", but it still failed.

Below is the output message after adding -E switch: 
# 1 "Mytest.c"
# 1 "<built-in>"
# 1 "<command line>"
# 1 "Mytest.c"
# 1 "Mytest.xs"
# 1 "C:/strawberry/perl/lib/CORE/EXTERN.h" 1
# 2 "Mytest.xs" 2
# 1 "C:/strawberry/perl/lib/CORE/perl.h" 1
# 38 "C:/strawberry/perl/lib/CORE/perl.h"
# 1 "C:/strawberry/perl/lib/CORE/config.h" 1
# 39 "C:/strawberry/perl/lib/CORE/perl.h" 2
# 605 "C:/strawberry/perl/lib/CORE/perl.h"
# 1 "C:/strawberry/c/bin/../lib/gcc/mingw32/3.4.5/../../../../include/
+sys/types.h" 1 3

[download]
UPDATE:

Thanks for BrowserUk's reminding, I shrink the log size for makeing this reply re-readable. But it seems useless :(

I change the name of function from max to lc_max. it works! I don't understand why this change can affect. Hope gurus enlighten me about this.

In reply to Re^6: How convert header file to XS by h2xs? by xiaoyafeng
in thread How convert header file to XS by h2xs? by xiaoyafeng

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.