use warnings;

use Inline C => <<'EOC';

#include <projects.h>

SV * foo() {
     printf("Hello World\n");
}

EOC

foo();

##</code><code>##

In file included from try_pl_f857.xs:6:
C:\_64\msys\1.0\local\include/projects.h:150: error: conflicting types for 'PVALUE'
c:/_64/mingw64/lib/gcc/../../x86_64-w64-mingw32/include/winreg.h:76: note: previous declaration of 'PVALUE' was here
dmake:  Error code 129, while making 'try_pl_f857.o'

##</code><code>##

typedef union { double  f; int  i; char *s; } PVALUE;

##</code><code>##

typedef PVALUEA PVALUE;