#include <stdio.h>

#ifdef WIN32
#define DLLEXPORT __declspec(dllexport)
#else
#define DLLEXPORT
#endif

struct blah
{
    unsigned int cbSize;
    unsigned int style;
};

extern "C" DLLEXPORT
void dump_blah( blah* ptr )
{
    FILE* out = fopen( "dump_output.txt", "w" );

    if (!out)
        return;
    fprintf( out, "cbSize:   %d\n",   ptr->cbSize );
    fprintf( out, "style:    %08x\n", ptr->style );
    fclose( out );
}