-#if defined(HAVE_VA_COPY)
-#define silc_va_copy(dest, src) va_copy(dest, src);
-#elif defined(HAVE___VA_COPY)
-#define silc_va_copy(dest, src) __va_copy(dest, src);
-#elif defined(SILC_VA_COPY_ARRAY)
-#define silc_va_copy(dest, src) memmove(dest, src, sizeof(va_list));
-#else
-#define silc_va_copy(dest, src) dest = src;
-#endif