class WXDLLEXPORT wxFrame;
#if wxUSE_IOSTREAMH
-# include <ostream.h>
+// N.B. BC++ doesn't have istream.h, ostream.h
+# include <iostream.h>
#else
# include <ostream>
# ifdef _MSC_VER
// ----------------------------------------------------------------------------
// return the last system error code
-unsigned long WXDLLEXPORT wxSysErrorCode();
+WXDLLEXPORT unsigned long wxSysErrorCode();
// return the error message for given (or last if 0) error code
-const char* WXDLLEXPORT wxSysErrorMsg(unsigned long nErrCode = 0);
+WXDLLEXPORT const char* wxSysErrorMsg(unsigned long nErrCode = 0);
// ----------------------------------------------------------------------------
// debug only logging functions: use them with API name and error code