void SetLastError (guint32 code);
guint32 errno_to_WSA (guint32 code, const char *function_name);
gint _wapi_get_win32_file_error (gint err);
void SetLastError (guint32 code);
guint32 errno_to_WSA (guint32 code, const char *function_name);
gint _wapi_get_win32_file_error (gint err);